Academic literature on the topic 'Carcinoma Endometrio'

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Journal articles on the topic "Carcinoma Endometrio"

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Morán Mejía, Javier Alberto, Rosario Velásquez, Victor Argueta, and Roberto Orozco. "Carcinoma endometriode sincrónico que afecta útero y trompa uterina." Revista médica (Colegio de Médicos y Cirujanos de Guatemala) 159, no. 1 (June 22, 2020): 41–43. http://dx.doi.org/10.36109/rmg.v159i1.173.

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La aparición de tumores sincrónicos en el aparato genital femenino es infrecuente. Se conoce poco sobre la presentación simultánea de carcinomas endometrioides del endometrio y la trompa uterina. Presentamos un caso de una paciente femenina de 38 años, nulípara, con historia de hemorragia vaginal de un mes de evolución, a quien se le realizó histerectomía y salpingooforectomía izquierda, donde el estudio anatomopatológico definitivo fue carcinoma endometriode de endometrio y de trompa uterina sincrónico.
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Cruz Muñóz, Héctor. "Sobre el diagnóstico, pronóstico y tratamiento del carcinoma endometrial." Revista Peruana de Ginecología y Obstetricia 12, no. 3 (June 12, 2015): 324–72. http://dx.doi.org/10.31403/rpgo.v12i884.

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El diagnóstico clínico del carcinoma endometrial en sus estadíos iniciales es muy difícil porque ni la sintomatología ni el examen objetivo proporcionan elementos de juicio lo suficientemente característicos como para poder afirmarlo con alguna certeza. El síntoma que hace pensar siempre en una neoplasia maligna del endometrio es la metrorragia que ocurre en una mujer que está en la época post-menopáusica, pero este síntoma no es de manera alguna propia del carcinoma endometrial desarrollado en este período de la vida. En efecto, en un estudio efectuado en la Clínico Ginecológica Universitaria (23) sobre 488 casos de hemorragia genital post-menopáusica, 265 casos correspondían a una neoplasia maligna (54,5%) de los cuales 55 presentaban un carcinoma endometrial, vale decir, que sólo el 11,2 % de los pacientes que consultaron por una hemorragia genital post-menopáusica tenían un carcinoma del endometrio.
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Aqueche, Gabriela, and Marisol Gramajo. "Carcinoma de células escamosas primario de endometrio." Revista médica (Colegio de Médicos y Cirujanos de Guatemala) 160, no. 3 (December 6, 2021): 298–300. http://dx.doi.org/10.36109/rmg.v160i3.382.

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El carcinoma de células escamosas primario de endometrio, es una entidad poco común, que para ser considerado como primario debe llenar los criterios de Fluhmman, de 1928: 1) ausencia simultánea de adenocarcinoma, 2) que no haya continuidad entre el tumor endometrial y el epitelio que reviste el cuello uterino y 3) comprobar que no exista proliferación de un carcinoma primario de células escamosas del cuello. Se presenta el caso de mujer de 80 años quien consulta a la emergencia de ginecología por hemorragia vaginal de 5 días.
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Díaz, Juan, Marco Martell, Jorge Pomatanta, Luz Cisneros, Guillermo Fonseca, and Rafael Roeder. "Carcinoma de endometrio: cuadro clínico-patológico." Revista Peruana de Ginecología y Obstetricia 43, no. 3 (June 25, 2015): 202–8. http://dx.doi.org/10.31403/rpgo.v43i1072.

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Con la finalidad de identificar el cuadro clínico patológico y determinar el estadío clínico, se analizó retrospectivamente información de 38 pacientes con carcinoma de endometrio admitidas al hospital Belén, Trujillo, Perú, desde 1966 a 1996. La edad promedio en la serie total fue 53,1 ± 11,4 años (rango, 22 a 8,3 años).La edad media de presentación de la menarquía fue 13,4 ± 1,6 años y de la menopausia (n=25) 48,2 ± 3,6 años. Once pacientes, fueron nulíparas (28,9%), cinco (13,2%) presentaron ovario poliquístico, cuatro (10,5%) tuvieron historia previa de hipertensión arterial, dos (5,3%) diabetes mellitus y dos (5,3%) historia personal de otro cáncer primario. El tiempo promedio de enfermedad fue 7,9 meses. Los síntomas más comunes fueron sangrado genital (89,5%) y dolor pélvico (52,6%). El signo más frecuente fue útero aumentado de tamaño (44,7%). El rendimiento diagnóstico de la biopsia de endometrio (n=15) y de la dilatación mas curetaje (n=7) fue 80% y 85,7%, respectivamente. En 12 de 13 pacientes en estadío I, el Papanicolaou fue negativo. De acuerdo a la FIGO, 73,7% de las pacientes estuvo en estadío clínico I, 15,8% en estadío III, 7,9% en estadío IV y 2,6% en estadío II. El adenocarcinoma fue el tipo histológico más frecuente (75,7%) seguido del adenoacantoma (8,1%). En el estadío I, 18 casos fueron carcinomas bien diferenciados y hubo 10 casos entre moderada y pobremente diferenciados. El diagnóstico precoz y el estadiaje adecuado son pasos previos muy importantes al tratamiento definitivo del cáncer endometrial.
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Wood, Juan, Alfredo Durán, Sergio Fuensalida, and Alberto Guzmán. "Relación entre la hiperplasia endometrial y el adenocarcinoma del endometrio." Revista Peruana de Ginecología y Obstetricia 1, no. 2 (June 12, 2015): 1–13. http://dx.doi.org/10.31403/rpgo.v1i896.

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El material histopatológico que se considera en esta ocasión demuestra que la hiperplasia endometrial, como manifestación de un estado estrogénico persistente e incontrarrestado, desempeña un rol importante en la génesis del carcinoma endometria1. Las imágenes histológicas en estas circunstancias pueden corresponder a una hiperplasia glándulo-quística o a una hiperplasia adenomatosa. La hiperplasia endometrial glándulo-quística durante la menacma y el climaterio premenopáusico, reflejo de desequilibrios endocrinos, no tiene mayor importancia en estos períodos, pero cuando se hace presente en la postmenopausia adquiere una significativa influencia en relación con el desarrollo del carcinoma endometrial. La hiperplasia adenomatosa que evoluciona durante el período de madurez sexual reviste mayor importancia que la variedad glándulo-quística, pues si bien traduce al igual que ella la existencia de una disfunción endocrina y como ella constituye también una lesión reversible, su existencia requiere una mayor preocupación aún dentro de este período y en relación directa con la mayor edad de la mujer. Cuando evoluciona en la postmenopausia adquiere mayor significación que la variedad glándulo-quística en la génesis del carcinoma del endometrio. El estudio de 26 casos de coexistencia de hiperplasia y adenocarcinema del endometrio nos permitió establecer en 7 de ellos la concurrencia simultánea de las dos variedades de hiperplasia, glándulo-quística y adenomatosa con adenocarcinoma; en 6 la evolución concomitante de hiperplasia adeno-quística y adenocarcinoma; en otras 6 de hiperplasia adenomatosa y adenocarcinoma y, finalmente, en las 7 restantes se reveló la transformación gradual de una hiperplasia adeno-quística en una hiperplasia adenomatosa y, por dual de una hiperplasia adeno-quística en una hiperplasia adenomatosa y, por último, en un carcinoma, dentro de un plazo variable de 1 a 4 años (Cuadro N°1). Si se analizan las edades de las pacientes que constituyen cada una de estos tres grupos, en el momento en que se estableció el diagnóstico de degeneración maligna, se comprueba que la edad media más baja -48 años- correspondía a la coexistencia de hiperplasia adenomatosa y adenocarcinoma. En cambio, ella era de 52 años para la asociación, hiperplasia glandular quística, hiperplasia adenomatosa y adenocarcinoma y de 58 para la asociación hiperplasia glándulo-quística adenocarcinoma. Sin pretender establecer conclusiones dado su número escaso de observaciones llamamos la atención a que exista una mayor propensión a la degeneración maligna y que ésta se establece más tempranamente, cuando concurre la hiperplasia adenomatosa. Esta afirmación se confirma si establecemos la edad media en los dos grupos de adenocarcinomas en los cuales se hizo presente esta modalidad de hiperplasia en las imágenes histológicas, comprobando que ella es de 50.5 años por 58 en el grupo en que ella no existe. Las comprobaciones anteriores conducen a una conclusión importante en relación con la profilaxia del carcinoma del endometrio en el sentido que la existencia de una hiperplasia endometrial, glándulo-quística o adenomatosa en el período postmenopáusico, haría aconsejable la histerectomia. La radioterapia en general y la curieterapia intrauterina en especial, por constituir el método terapéutico al cual se recurre en las metrorragias disfuncionales del climaterio, sólo podría indicarse cuando existiera una contraindicación quirúrgica absoluta o bien ante la negativa de la paciente para aceptar la intervención. En ambas circunstancias se deberá exigir controles periódicos los que necesariamente deberán comprender exámenes citológicos y nuevos raspados-biópsicos. Las comprobaciones señaladas en la conclusión N° 4 conducirían a aceptar el concepto de carcinoma "in situ" del endometrio, a pesar de algunas autorizadas opiniones en contrario. Se considera que debe mantenérsele vigente para que en la práctica diaria del laboratorio se investiguen las imágenes correspondientes y poder así acumular mayor documentación que permita en el futuro emitir un juicio con mayor fundamento. Convendrá recordar que el Comité de Estocolmo, sin pronunciarse sobre las características propias del carcinoma "in situ" del endometrio ha incluido al igual que en el carcinoma cervical un período 0, definiéndolo así : casos que el patólogo considera que muy probablemente son de naturaleza carcinomatosa aunque no es posible establecer un diagnóstico definitivo en este sentido.
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Aguilar, Ceny. "Carcinoma de Endometrio de Casos." Anales de la Facultad de Medicina 56, no. 1 (April 7, 2014): 17. http://dx.doi.org/10.15381/anales.v56i1.4918.

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El carcinoma de endometrio es un tumor maligno originado a expensas del epitelio, el que resultaría ser consecuencia de un hiperestronismo relativo o absoluto. Según algunos autores, pasaría por una gama de lesiones preliminares como las hiperplasias adenomatosas. En nuestro trabajo, revisamos 62 casos diagnosticados microcóspicamente en el Servicio de Anatomía Patológica del Hospital Daniel A. Carrión en sus 24 años de funcionamiento. El 75% refirió ginecorragia de más de un mes de evolución: el 68% de casos corresponde a mujeres puérperas, nulíparas o con baja paridad. Al examen físico, en la mitad de los casos se reporta útero aumentado de tamaño, y en 30% como de caracteres normales. El diagnóstico clínico presuntivo al que arriba el ginecólogo es de hemorragia uterina disfuncional en 32% y de cáncer en 33%, en este último caso probablemente por contar por un diagnóstico anatomo-patológico previo por legrado biópsico. Al examen microscópico, encontramos que más del 80% de nuestros casos corresponden a adenocarcinoma, sólo 6 son de tipo adenoescamoso. El tipo de adenocarcinoma predominante fue el de aspecto histológico endometrioide, en 32% de los cuales se encontró diferenciación celular. Los carcinomas bien diferenciados fueron frecuentes. En 64% del total no hubo infiltración alguna, llegando el tumor solo al miometrio. Se encontró escasas precursoras.
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Elmore, Lynne W., Kelly Domson, Jonathan R. Moore, Michael Kornstein, and R. Tucker Burks. "Expression of c-Kit (CD117) in Benign and Malignant Human Endometrial Epithelium." Archives of Pathology & Laboratory Medicine 125, no. 1 (January 1, 2001): 146–51. http://dx.doi.org/10.5858/2001-125-0146-eockci.

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Abstract Background.—The proto-oncogene c-kit encodes a tyrosine kinase receptor (CD117) with a molecular weight of 145 kd. Previous studies, predominantly utilizing immunohistochemistry, have led to contradictory findings regarding the expression of CD117 in the endometrium. To help resolve this issue, we analyzed a series of benign and malignant endometrial tissues using both immunohistochemistry and Western blot analysis. Objective.—To examine the expression of CD117 in benign and malignant human endometrial tissues. Methods.—The expression of CD117 in 35 benign endometrial tissues (7 hyperplastic, 14 proliferative, 14 secretory) and 10 endometrioid carcinomas was investigated by immunohistochemistry (clone K45 monoclonal antibody). Immunoprecipitation (clone K69 monoclonal antibody) followed by Western blotting (clone K45 monoclonal antibody and clone 1.D9.3D6 monoclonal antibody) was performed to confirm CD117 expression. Results.—Fifty-seven percent of the hyperplasias, 93% of proliferative endometria, and 79% of secretory endometria immunostained positively for CD117. In benign endometria, epithelial staining tended to be more intense in the hyperplastic and proliferative endometria as compared to the secretory endometria, whereas endometrial stromal cells were not immunoreactive. Of the 10 frozen endometrial tissues analyzed by immunohistochemistry, 4 of 9 endometrioid carcinomas and a single case of an endometrioid polyp developing in association with a carcinoma expressed CD117. Immunoprecipitation followed by Western blot analysis confirmed expression of full-length CD117 in an endometrial polyp and carcinoma, and revealed a correlation between levels of immunoprecipitated CD117 and immunohistochemical staining intensity. Conclusions.—Benign and malignant endometrial tissues express CD117. Our data suggest (a) a possible relationship between estrogen and CD117 expression in benign endometrium and (b) potential involvement of this growth factor receptor in endometrial carcinogenesis.
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Pérez Montiel, Camilo, María Murillo Salas, César Redondo Bermúdez, and Katherine Redondo de Oro. "Endometritis xantogranulomatosa asociada a carcinoma escamocelular de cérvix: presentación de un caso y revisión de la literatura." Revista Ciencias Biomédicas 8, no. 2 (November 7, 2020): 105–10. http://dx.doi.org/10.32997/rcb-2019-2877.

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Introducción: la endometritis xantogranulomatosa es un proceso inflamatorio raro del endometrio, que se caracteriza por la presencia de abundantes histiocitos espumosos asociados a células inflamatorias mixtas. La importancia de este hallazgo histopatológico es su asociación con neoplasias malignas de origen endometrial y cervical, por lo cual el patólogo debe realizar un correcto abordaje morfológico e inmunohistoquímico. Se presenta un caso de endometritis xantogranulomatosa asociado a carcinoma escamocelular mal diferenciado de cérvix.Caso Clínico: paciente femenina de 75 años de edad, con cuadro clínico de seis meses de evolución caracterizado por salida de líquido claro por genitales externos asociado a dolor pélvico intermitente. Ecográficamente se observa aumento de tamaño del útero, a expensas de acumulación de líquido con un volumen de 700 cc y estenosis cervical. Se realiza biopsia endometrial guiada por histeroscopia con reporte histopatológico e inmunohistoquímico de endometritis xantogranulomatosa asociado a carcinoma escamocelular mal diferenciado de cérvix. Conclusión: la endometritis xantogranulomatosa es un hallazgo histopatológico poco frecuente en el endometrio, lo cual es un reto diagnóstico para el patólogo debido a la asociación con neoplasias malignas de origen endometrial y cervical.
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Pérez-Montiel, Camilo Andrés. "Nueva clasificación molecular del carcinoma de endometrio: impacto en el diagnóstico histopatológico, tratamiento y pronóstico." MedUNAB 24, no. 3 (January 5, 2022): 365–74. http://dx.doi.org/10.29375/01237047.4015.

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Introducción. El carcinoma de endometrio es una patología heterogénea a nivel patogénico, histopatológico y molecular. En los últimos años se han sumado esfuerzos para esclarecer y aumentar el conocimiento de las bases moleculares, logrando así dividir las pacientes en cuatro subgrupos descritos por el Atlas del Genoma del Cáncer (TCGA, por sus siglas en inglés), obteniéndose valiosa información que afecta el diagnóstico, tratamiento y pronóstico de las pacientes con esta enfermedad. El objetivo de la siguiente revisión es exponer la nueva clasificación molecular del carcinoma de endometrio, así como discutir las ventajas que esta trae a la hora de estratificar a las pacientes y tomar decisiones terapéuticas. División de los temas tratados. Se realizó una búsqueda bibliográfica no sistemática en las bases de datos PubMed, Cochrane y Medline desde el año 2014 hasta el 2020 sobre el carcinoma de endometrio y su clasificación molecular. Se expone de manera concreta y actualizada el contexto histórico, los diferentes subgrupos moleculares y cómo estos impactan en el manejo de las pacientes. Conclusiones. El carcinoma de endometrio es una enfermedad heterogénea a nivel histopatológico, clínico y molecular. Con la nueva clasificación y los estudios prospectivos se podrán crear nuevas estrategias que permitan brindar mejores protocolos diagnósticos y terapéuticos.
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Ferrero, S., C. Esteve, I. Mora, J. Sabrià, E. González, and J. M. Lailla. "Carcinoma de endometrio y ovario sincrónicos." Clínica e Investigación en Ginecología y Obstetricia 34, no. 2 (April 2007): 77–79. http://dx.doi.org/10.1016/s0210-573x(07)74478-7.

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Dissertations / Theses on the topic "Carcinoma Endometrio"

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Velasco, Sánchez Ana. "Oncogenes y genes supresores de tumores en carcinoma de endometrio." Doctoral thesis, Universitat de Lleida, 2012. http://hdl.handle.net/10803/110545.

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El objetivo principal de este trabajo ha sido la identificación de alteraciones moleculares que participen de manera significativa en el desarrollo y la progresión del cáncer de endometrio, con el propósito de añadir mas claves para el descubrimiento de nuevas dianas de diagnosis y terapias individuales contra esta patología. El trabajo ha sido centrado en el estudio de modificaciones en el ADN de las células que forman el tejido tumoral en una serie de pacientes con carcinoma endometrial, en concreto, en el análisis mutacional de los genes PIK3CA y FGFR2 y el análisis de hipermetilación del promotor de los genes RASSF2A y SPRY2, elementos que forman parte de importantes vías de transducción de señales implicadas principalmente en procesos de crecimiento y diferenciación celular. Por un lado, hemos advertido cierto grado de variabilidad en el patrón de expresión de los genes estudiados en los tejidos tumoral y no tumoral y esas diferencias de expresión son, en parte, debidas a la existencia de hipermetilación en las regiones promotoras de los genes implicados. Así mismo, la presencia de mutaciones en regiones génicas que codifican partes de la proteína claves para su función en la célula es también un factor que modifica el patrón de expresión entre tejidos. En concreto, tras el análisis de la expresión inmunohistoquímica de RASSF1A y la presencia o ausencia de metilación en la zona promotora del gen RASSF1A se detectaron tumores con niveles de expresión reducidos y presencia de hipermetilación en el promotor, ambos fenómenos asociados de manera estadísticamente significativa. Lo mismo ocurre, aunque en un grado distinto, con la expresión de SPRY2 en algunos tumores en asociación con la presencia de hipermetilación en el promotor del gen. A través de este análisis hemos descubierto que la expresión de SPRY2 presenta variabilidad en las glándulas endometriales de los tejidos no tumorales a lo largo del ciclo menstrual. Por otro lado hemos visto como el gen PIK3CA se encuentra frecuentemente mutado en las células que forman los tumores de carcinoma de endometrio y que, además, es un suceso que coincide con la presencia de mutaciones en el gen PTEN. Sin embargo, la frecuencia de mutaciones en el gen FGFR2 se ha mostrado baja aunque su expresión a nivel inmunohistoquímico refleja diferencias entre carcinoma de tipo endometrioide y no endometrioide. Por ultimo, añadir una revisión de uno de los fenómenos que ocurren de manera mas frecuente durante la formación y el progreso de los tumores en carcinoma de endometrio: el concepto de “pérdida de heterocigosidad”. En este trabajo hemos considerado primordial incluir un obra en la que se realiza una incursión a los mecanismos moleculares a través de los cuales se produce la pérdida de heterocigosidad, asi como los métodos que se utilizan para su detección y el significado de algunos patrones de pérdida de heterocigosidad en determinadas regiones cromosómicas en carcinoma de endometrio.
L'objectiu principal d'aquest treball ha estat la identificació d'alteracions moleculars que participin de manera significativa al desenvolupament i la progressió del càncer d'endometri, amb el propòsit d'afegir més claus pel descobriment de noves dianes de diagnosi i teràpies individuals contra aquesta patologia. El treball ha estat centrat en l’estudi de modificacions en l’ADN de les cèl-lules que formen el teixit tumoral en una sèrie de pacients amb carcinoma endometrial, en concret, en l’anàlisi mutacional del gens PIK3CA i FGFR2 i l’anàlisi de hipermetilació del promotor dels gens RASSF1A i SPRY2, elements que formen part d’importants vies de transducció de senyals implicades principalment en processos de creixement i diferenciació cel-lular. En primer lloc hem advertit cert grau de variabilitat en el patró d'expressió dels gens estudiats entre els teixits tumoral i no tumoral i aquestes diferències d'expressió són, en part, degudes a l'existència de hipermetilació en les regions promotores dels gens implicats. Així mateix, la presencia de mutacions en regions gèniques que codifiquen parts de la proteïna claus per la seva funció a la cèl-lula, és també un factor que modifica el patró d'expressió entre entre els teixits tumoral i no tumoral. En concret, després de l’anàlisi immunohistoquímic de l’expressió de RASSF1A i la presència o absència de metilació a la zona promotora del gen RASSF1A, es van detectar tumors amb nivells d’expressió reduïts i presència de hipermetilació en el promotor, ambdós fenòmens associats de manera estadísticament significativa. El mateix passa, encara que amb diferent grau, amb l’expressió de SPRY2 en alguns tumors en associació amb la presència de ipermetilació en el promotor del gen. A través d’aquest anàlisi hem descobert que l’expressió de SPRY2 presenta variabilitat en les glàndules endometrials dels teixits no tumorals al llarg del cicle menstrual. D'altra banda hem vist com el gen PIK3CA es troba freqüentment mutat en les cèl-lules que formen els tumors de carcinoma d'endometri i coincideix amb la presència de mutacions en el gen PTEN. No obstant això, la freqüència de mutacions en el gen FGFR2 s'ha mostrat baixa encara que la seva expressió a nivell inmunohistoquímic reflecteix diferencies entre carcinoma de tipus endometrioide y no endometrioide. Finalment, afegir una revisió d'un dels fenòmens més freqüent en la formació i el progrés dels tumors en carcinoma d'endometri: el concepte de "pèrdua de heterozigositat". En aquest treball hem considerat primordial incloure una obra en que es realitza una incursió als mecanismes moleculars a través dels quals es produeix la pèrdua de heterozigositat, aixi com els mètodes que s'utilitzen en la seva detecció i el significant d'alguns patrons de pèrdua de heterozigositat en determinades regions cromosòmiques en carcinoma d'endometri.
The main point of this study was the identification of molecular alterations that participate in the development and progression of endometrial cancer, in order to add more keys to the discovery of new targets for diagnosis and therapies against this disease. The work has been focused on the study of molecular alterations of DNA from tumour tissues in a series of endometrial carcinoma patients, above all, mutational analysis of PIK3CA and FGFR2 genes and analysis of promoter hyper methylation of SPRY2 and RASSF2A genes, together forming part of signal transduction pathways that are involved in processes of growth and cell differentiation. To begin with, we noticed some variability in the gene expression pattern examined between tumour and normal tissue, and these differences are partly due to hyper methylation in promoter regions at the involved genes. Likewise, mutations in gene regions encoding key protein domains in the cell are also a factor that modifies the gene expression pattern between tumour and normal tissue. In particular, after analysing the immunohistochemical expression of RASSF1A and the presence or absence of methylation in the RASSF1A gene promoter we detected tumours with low expression levels and promoter hyper methylation. The same applies, albeit in a different degree, with SPRY2 expression in some tumours in association with the presence of gene promoter hyper methylation. Through this analysis we found some SPRY2 expression variability in endometrial glands from non-tumour tissues throughout the menstrual cycle. On the other hand we have seen that the PIK3CA gene is frequently mutated in tumour cells from endometrial carcinoma, and this is also a PTEN gene mutation coincident event. However, FGFR2 gene mutation ratio has shown to be low although immunohistochemical expression reflects differences between endometrioid endometrial carcinoma and no-endometrioid type. Finally, we wanted to add a review of one of the phenomena, which occurs more frequently during the formation and progress of tumours in endometrial carcinoma: LOH "loss of heterozygosity". We have considered essential include a review work about the molecular mechanisms through which loss of heterozygosity is produced, the methods used in their detection and significance of some patterns of loss of heterozygosity in specific chromosomal regions in endometrial carcinoma.
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Tonon, Ângela Favorito Santarém [UNESP]. "Claudina-3 e Claudina- 4, potenciais marcadores de agressividade no carcinoma endometrial Tipo I." Universidade Estadual Paulista (UNESP), 2013. http://hdl.handle.net/11449/108608.

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O Carcinoma de Endométrio é a neoplasia epitelial maligna que acomete mulheres no pré, pós e peri -menopausa. Segundo diferenças endócrinas, metabólicas, fatores de risco e morfologia é classificado em dois grandes grupos: Tipo I (endometrióide) e Tipo II (não endometrióide). O Tipo I perfaz 90 % dos carcinomas de endométrio e sua patogenia esta ligada a exposição excessiva ao estrógeno. O Tipo II é incomum, com fatores predisponentes menos conhecidos. O sintoma mais relevante do carcinoma de endométrio é o sangramento pós-menopausa. Seu diagnóstico é feito pela comprovação histológica, associada aos exames de imagem e laboratoriais. Seu tratamento é fundamentalmente cirúrgico. O fator prognóstico mais importante é a presença ou ausência de metástase nos linfonodos regionais. Atualmente, buscam-se marcadores biológicos e teciduais que indiquem pior prognóstico. Este trabalho verificou a imunoexpressão da claudina-3 (CLDN3) e claudina-4 (CLDN4) nos carcinomas de endométrio Tipo I e Tipo II, relacionando-as com endométrio proliferativo e atrófico, aspectos clínicos, anatomopatológicos, perfil hormonal, índice de proliferação celular e expressão da p53, na tentativa de estabelecer a importância destas proteínas na progressão e agressividade tumoral e o seu valor prognóstico. Foram estudados 79 casos de carcinoma de endométrio e comparados com 74 endométrios normais. Avaliou-se a imunoexpressão das CLDNs 3 e 4, receptor estrogênico, receptor de progesterona, índice de proliferação celular (Ki67) e p53, pela técnica de imunoistoquímica. Observou-se que o padrão de coloração da membrana para CLDN3 se mostrou difuso nos carcinomas, quando comparado com os endométrios normais que exibiu padrão focal. O número de células marcadas com CLDN3 estava diminuído nos carcinomas Tipo I, porém com intensidade aumentada. Nesta análise foi possível verificar que ...
Carcinoma of the Endometrium is a malignant epithelial tumor which affects pre, peri and post-menopausal women. It is classified into two major groups, according to endocrine, metabolic risk factors and morphological differences: Type I (endometrioid) and Type II (non-endometrioid). Type I accounts for 90% of all endometrial carcinomas and its pathogenesis is linked to excessive estrogen exposure. The Type II is less common, with poorly defined predisposing factors. The most important symptom of endometrial carcinoma is postmenopausal bleeding. Diagnosis is achieved through histological evidence, in association with imaging and laboratorial exams. Treatment is primarily surgical. The most important prognostic factor is the presence or absence of metastases in regional lymph nodes. Bio and tissue markers that indicate worse prognosis are the focus of current research. This study examined the immunoexpression of claudin-3 (CLDN3) and claudin-4 (CLDN4) in endometrial carcinomas Type I and Type II, and their relation to proliferative and atrophic endometrium, clinical and pathological features, hormonal status, proliferation index and p53 expression, in an attempt to establish the importance of these proteins in tumor progression and aggressiveness and their prognostic value. Seventy-nine cases of endometrial carcinoma were studied and compared with 74 normal endometria. The immunoexpression of CLDNs 3 and 4, estrogen receptor, progesterone receptor, cell proliferation index (Ki67) and p53 were all evaluated by immunohistochemistry. Observation verified that the pattern of membrane staining for CLDN3 was diffuse in carcinomas compared with normal endometrium which presented a focal pattern. The number of cells stained with CLDN3 was lower in Type I carcinomas, while staining intensity was greater. Analysis verified that 25% of cases with high expression of CLDN4 and Ki-67 developed metastasis, while 33% of cases with greater CLDN4 staining ...
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Lombardelli, Karen Vicencia Pingarilho. "Ressonancia magnetica resumida na avaliação da extensão do carcinoma de endometrio." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/310562.

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Orientador: Luiz Carlos Zeferino
Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Ciencias Medicas
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Resumo: Introdução: A ressonância magnética (RM) é um exame que pode auxiliar no estadiamento pré-cirúrgico da paciente com carcinoma de endométrio, o que permite planejar mais adequadamente a cirurgia, principalmente quando há evidências de doença avançada e em mulheres com comorbidades clínicas relevantes. Todavia, é um exame demorado, exige cooperação e imobilidade, emite ruído e o espaço físico é restrito, ocasionando desconforto e claustrofobia. Motivos referidos, inclusive como justificativa de interrupção do exame. A mobilidade durante o exame, incluindo movimentos respiratórios acentuados, assim como o alto índice de obesidade em mulheres com carcinoma de endométrio podem gerar artefatos que comprometem a qualidade da imagem, prejudicado o diagnóstico final. Simplificar o exame com redução do tempo de duração sem prejudicar a qualidade do diagnóstico seria muito útil. Objetivos: O objetivo deste estudo foi avaliar se a subtração das seqüências T1 FS sagital e T2 TSE coronal, sem contraste e com aquisições de alta resolução, comprometeria o desempenho diagnóstico na avaliação da extensão do carcinoma de endométrio. Material e Métodos: Este estudo foi observacional e descritivo, de corte transversal. Foram incluídas 62 mulheres com diagnóstico histológico de carcinoma de endométrio. As pacientes fizeram RM da pelve que foi analisada por dois médicos especialistas, sendo que um avaliou o exame completo e o outro o exame resumido, sem troca de informações entre eles. Os achados da RM completa e resumida foram comparados com os laudos anatomopatológicos. Para testar a associação entre as variáveis qualitativas foi utilizado o teste qui-quadrado. A concordância diagnóstica entre os exames completo e resumido da RM foi analisada pelo Coeficiente de Kappa. Resultados: As medianas, médias, desvios-padrão e valores máximos das medidas do maior diâmetro do tumor avaliadas pelas RMC, RMR e patologia foram muito próximas. As medianas, médias, desvios-padrão, valores mínimos e valores máximos do volume do tumor avaliado pelas RMC e RMR foram muito próximos. A mediana do volume do tumor avaliado pela patologia foi muito próxima das medianas obtidas pela ressonância magnética, enquanto que a média, desvio-padrão e valor máximo apresentaram valores maiores. Conclusões: A RMR apresenta desempenho semelhante ao da RMC na avaliação da extensão do carcinoma do endométrio. A concordâncJa observada para avaliação da invasão, miometrial, do colo do útero e dos linfonodos pélvicos foi classificada como muito boa ou excelente. A concordância na avaliação da invasão do colo do útero entre a patologia e as RMC e RMR foi classificada como muito boa (Tabela 2). A concordância observada para avaliação das invasões miometrial e do colo do útero entre os exames de RM foi classificada como muito boa ou excelente. Portanto, é possível utilizar o exame de RM sem as seqüências T1 SE sagital sem contraste e T2 TSE caronal, pois não haverá prejuízo na qualidade do diagnóstico
Abstract: Background: Magnetic resonance imaging (MRI) is an exam that may be helpful in establishing presurgical staging of patients with endometrial carcinoma, allowing a more appropriate surgical procedure to be planned, principally in the case of advanced disease or in women with relevant clinical comorbidities. However, it is a protracted exam that requires cooperation and immobility. In addition, it is noisy and physical space is restricted, often causing discomfort, anxiety and claustrophobia that may lead to interruption of the exam. Movements including accentuated breathing may generate artifacts that compromise the quality of images. Simplifying the exam by reducing the time required to carry it out without affecting the quality of diagnosis would be extremely useful. Objectives: To evaluate whether modification to the routine MRI (complete MRI) by eliminating the non contrast high resolution sagittal T1-weighted FS and caronal T2-weighted TSE sequences (resumed MRI), negatively affects performance of this exam in the diagnosis of the extent of endometrial carcinoma. Methods: A cross sectional, observational, descriptive study was carried out in 62 women with endometrial carcinoma. All underwent pelvic MRI, which was analyzed by two radiologists. Complete and rapid MRI findings were compared with anatomopathology reports. The chi-square test was used to test the association between qualitative variables. Diagnostic agreement between complete and resumed MRI was analyzed using the kappa coefficient. Results: There were no statistically significant differences in the medians, means, standard deviations or maximum values of the measurements of the greatest diameter and of tumor volume as evaluated by complete MRI, resumed MRI and pathology. With respect to myometrial invasion, agreement between complete and resumed MRI was classified as very good, with a kappa coefficient of 0.73 (0.54 - 0.93). Agreement in the evaluation of myometrial invasion between pathology and complete or resumed MRI was classified as good. With respect to cervical invasion, agreement between complete and rapid MRI was classified as excellent, with a kappa coefficient of 0.96 (0.87 - 1.00). Agreement in the evaluation of cervical invasion between pathology and complete and resumed MRI was classified as very good. With respect to pelvic Iymph nodes, agreement between complete and resumed MRI was classified as excellent, with kappa coefficients of 0.93 (0.84 - 1.00) and 0.96 (0.90 - 1.00), respectively. Conclusions: MRI without the non-contrast sagittal T1-weighted SE and coronal T2-weighted TSE sequences maintains the same performance as complete MRI in evaluating the extent of endometrial carcinoma. The shorter time required to carry out the exam would, therefore, be beneficial to the patients, reducing their discomfort and, principally, decreasing reactions of anxiety and claustrophobia. Moreover, costs to healthcare services, and indirectly to the patients, would also be reduced, since the productivity of the equipment and the team would be higher
Mestrado
Ciencias Biomedicas
Mestre em Tocoginecologia
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Testoni, Blasco di Sciacca Alessandra Lucia Maria. "Metalloproteasi 9, TIMP-1 e Osteopontina quali possibili biomarcatori del carcinoma dell endometrio." Doctoral thesis, Università di Catania, 2012. http://hdl.handle.net/10761/1217.

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Lo scopo del nostro lavoro è stato quello di valutare l esistenza di una diversa espressione tissutale e periferica di metalloproteasi MMP9, TIMP1 (la sua proteina inibitoria) e Osteopontina, quali possibili biomarcatori di progressione tumorale, in donne con patologie benigne dell endometrio, con carcinoma dello stesso, e di un gruppo di donne come controllo. Abbiamo reclutato per il nostro studio 31 pazienti che si erano sottoposte ad un esame isteroscopico o per sanguinamenti anomali, o per un ispessimento endometriale evidenziato durante un ecografia ginecologica. Lo stesso giorno in cui alle pazienti veniva eseguita l isteroscopia della cavità uterina, sono stati prelevati circa 10 ml di sangue venoso periferico, suddivisi in due provette: 2-3 ml per la raccolta del siero e 6-7 ml per la raccolta del plasma, con aggiunta di Na++ eparina. Le provette sono state quindi inviate, entro 30 minuti, per la loro centrifugazione ed i campioni di plasma e siero aliquotati, sono stati conservati a -80°C, fino al momento del saggio. Successivamente sono stati eseguiti i dosaggi in ELISA su siero o plasma delle tre proteine da noi considerate, con Kits disponibili commercialmente secondo la metodica indicata dal produttore (R e D System). In corso di isteroscopia, sono state praticate delle biopsie della cavità uterina o dei polipi endometriali. Un piccolo frammento tissutale veniva raccolto in Rna Later, e conservato ad una temperatura di -80°C fino alle indagini di biologia molecolare (estrazione dell RNA ed Immunoistochimica - Elisa); il restante materiale è stato inviato per effettuare l esame istologico. In accordo ai dati della letteratura, i valori medi sierici dei tre parametri da noi considerati, nonchè quelli ricavati dalle biopsie della cavità uterina di donne con carcinoma, sono significativamente più elevati rispetto a quelli di donne con patologie benigne dell endometrio ed ancora di più rispetto ai controlli. La MMP-9 e il suo inibitore TIMP-1, hanno mostrato lo stesso andamento di OPN anche se i valori di TIMP-1 circolante, in accordo con i dati riferiti in letteratura hanno mostrato una maggiore correlazione rispetto alla MMP-9.
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Cubo, Abert Montserrat. "Estadificación prequirúrgica del carcinoma endometrial mediante ecografía en dos y tres dimensiones." Doctoral thesis, Universitat Autònoma de Barcelona, 2021. http://hdl.handle.net/10803/672056.

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Objectius: El nostre objectiu era comparar el rendiment diagnòstic de l’ecografia transvaginal (ETV) i la ressonància magnètica (RM) per predir la profunditat de la invasió miometrial (IMP) i la invasió estromal cervical (IEC) en pacients amb càncer d’endometri (CE). Mètodes: Estudi prospectiu i consecutiu que inclou totes les pacients amb CE diagnosticades entre l’octubre del 2013 i el juliol del 2018 a l’Hospital Vall d’Hebron de Barcelona. Es va realitzar una estadificació preoperatòria amb ETV i ressonància magnètica seguida d’una estadificació quirúrgica. La histologia final es va considerar com a estàndard de referència. Es van calcular la sensibilitat, l’especificitat, les raons de verosimilitut i la precisió diagnòstica per a les dues tècniques d’imatge per a la predicció de la IMP i la IEC. Es va calcular l’índex d’acord. Es van utilitzar les directrius STARD 2015. Resultats: Es van incloure un total de 177 pacients consecutivament. La sensibilitat va ser major per a ETV en comparació amb la ressonància magnètica, tant per a la predicció de IMP (68% (95% IC 55-79) enfront del 60% (95% IC 47-72), respectivament) com de IEC (49% (95% CI 35- 62) contra el 29% (IC del 95% 18-43), respectivament). Les especificitats van ser similars per a la predicció de IMP (ETV 84% (95% CI 77-90) i ressonància magnètica 92% (95% CI 85-96)) i iguals per a IEC (95% (95% CI 90-98). L’índex d’acord entre ETV i RN va ser de 0,74 per a IMP i 0,99 per a IEC. Conclusions: El rendiment diagnòstic de la ETV no és inferior a la ressonància magnètica per a la predicció de IMP i IEC en el carcinoma endometrial i pot tenir un paper com a tècnica d’imatge de primera línia en l’avaluació preoperatòria del càncer d’endometri.
Objetivos: Nuestro objetivo fue comparar el rendimiento diagnóstico de la ecografía transvaginal (ETV) y la resonancia magnética (RM) para predecir la profundidad de la invasión del miometrio (IMP) y la invasión del estroma cervical (IEC) en pacientes con cáncer de endometrio (CE). Métodos: Estudio prospectivo y consecutivo que incluye todas las pacientes con CE diagnosticadas entre octubre de 2013 y julio de 2018 en el Hospital Vall d’Hebron de Barcelona. La estadificación preoperatoria se realizó con ETV y RM seguida de estadificación quirúrgica. La histología final se consideró como estándar de referencia. Se calcularon la sensibilidad, la especificidad, las razones de probabilidad y la precisión diagnóstica para ambas técnicas de imagen para la predicción de IMP y IEC. Se calculó el índice de concordancia. Se utilizaron las pautas STARD 2015. Resultados: Se incluyeron un total de 177 pacientes de forma consecutiva. La sensibilidad fue mayor para ETV en comparación con RM tanto para la predicción de IMP (68% (95% CI 55-79) versus 60% (95% CI 47-72), respectivamente) como para la predicción de IEC (49% (95% CI 35- 62) versus 29% (IC 95% 18-43), respectivamente). Las especificidades fueron similares para la predicción de IMP (ETV 84% (95% CI 77-90) y ETV 92% (95% CI 85-96)) e iguales para IEC (95% (95% CI 90-98). El índice de acuerdo entre ETV y RM fue 0,74 para IMP y 0,99 para IEC. Conclusiones: El rendimiento diagnóstico de ETV no es inferior a la RM para la predicción de IMP y la IEC en el carcinoma de endometrio y puede desempeñar un papel como técnica de imagen de primera línea en la evaluación preoperatoria del cáncer de endometrio.
Objectives: We aimed to compare the diagnostic performance of transvaginal ultrasound (TVUS) and magnetic resonance imaging (MRI) to predict the depth of myometrial invasion (DMI) and cervical stromal invasion (CSI) in patients with endometrial cancer (EC). Methods: Prospective and consecutive study including all EC diagnosed between October 2013 and July 2018 at the Vall d’Hebron Hospital in Barcelona. Preoperative staging was performed with TVUS and MRI followed by surgical staging. Final histology was considered as the reference standard. Sensitivity, specificity, likelihood ratios and diagnostic accuracy were calculated for both imaging techniques for the prediction of DMI and CSI. Agreement index was calculated. The STARD 2015 guidelines were used. Results: A total of 177 patients were consecutively included. Sensitivity was higher for TVUS compared to MRI both for the prediction of DMI (68% (95%CI 55-79) versus 60% (95%CI 47-72), respectively) and CSI (49% (95%CI 35-62) versus 29% (95%CI 18-43), respectively). Specificities were similar for the prediction of DMI (TVUS 84% (95%CI 77-90) and MRI 92% (95%CI 85-96)) and equal for CSI (95% (95%CI 90-98). The agreement index between TVUS and MRI was 0.74 for DMI and 0.99 for CSI. Conclusions: The diagnostic performance of TVUS is not inferior to MRI for the prediction of DMI and CSI in EC and can play a role as a first line imaging technique in the preoperative evaluation of endometrial cancer.
Universitat Autònoma de Barcelona. Programa de Doctorat en Pediatria, Obstetrícia i Ginecologia
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Sorolla, Bardají Anabel. "Estudi del proteasoma i altres dianes terapèutiques en el melanoma i el carcinoma d’endometri." Doctoral thesis, Universitat de Lleida, 2012. http://hdl.handle.net/10803/83625.

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Donada la resistència a la quimioteràpia que presenta el melanoma i el carcinoma d’endometri avançat, és important la investigació destinada a buscar dianes terapèutiques. En aquest treball hem investigat els efectes de d’anàlegs de la somatostatina (SA), d’inhibidors del proteasoma (PI) com Bortezomib, de l’inhibidor de receptors tirosina cinasa Sunitinib i la combinació de Sunitinib i Bortezomib en línies cel•lulars de melanoma. Aquesta combinació també l’hem testat en el carcinoma d’endometri. S’observa que les cel•lules de melanoma expressen varis receptors de la somatostatina. Els PI són eficients a l’hora d’induir una parada en el cicle cel•lular i apoptosi. Les línies cel•lulars que presenten PDGFRα i VEGFR2 són sensibles a Sunitinib, i aquest interacciona amb Bortezomib de forma sinèrgica. En el carcinoma d’endometri, Sunitinib indueix una parada en el cicle cel•lular, apoptosi, inhibeix la via NFκB i interacciona sinèrgicament amb Bortezomib. Els SAs i PI podrien ser útils en combinació amb altres agents i l’ús de Bortezomib i Sunitinib ha mostrat ser efectiu en determinats casos de melanoma i en el carcinoma d’endometri.
Dada la resistencia a la quimioterapia que presenta el melanoma y el carcinoma de endometrio avanzado, es importante aquella investigación destinada a buscar dianas terapéuticas. En este trabajo hemos investigado los efectos de análogos de la somatostatina (SAs), de inhibidores del proteasoma (PI) como Bortezomib, del inhibidor de receptores tirosina cinasa Sunitinib y la combinación de Sunitinib y Bortezomib en líneas celulares de melanoma. Esta combinación también la hemos testado en el carcinoma de endometrio. Se observa que las células de melanoma expresan varios receptores de la somatostatina. Los PI son eficientes a la hora de inducir una parada en el ciclo celular y apoptosis. Las líneas celulares que presentan PDGFR α i VEGFR2 son sensibles a Sunitinib, y éste interacciona con Bortezomib de forma sinérgica. En el carcinoma de endometrio, Sunitinib induce una parada en el ciclo celular, apoptosis, inhibe la via NFκB e interacciona sinérgicamente con Bortezomib. Los SAs y PI podrían ser útiles en combinación con otros agentes y el uso de Bortezomib y Sunitinib ha demostrado ser efectivo en determinados casos de melanoma y en el carcinoma de endometrio.
As advanced melanoma and endometrial carcinoma is highly resistant to chemotherapy it is important the research focused to the search of therapeutic targets. In the present work, we have investigated the effects of somatostatin analogues (SAs), proteasome inhibitors (PI) such as Bortezomib, the tyrosine kinase receptor inhibitor Sunitinib and the combined therapy of Sunitinib and Bortezomib. This combination has been also tested in endometrial carcinoma. It is observed that melanoma cell lines express various somatostatin receptors. In addition, proteasome inhibitors induce a cell cycle arrest and apoptosis. Those cells presenting activated PDGFRα or VEGFR2 are more sensitive to Sunitinib and this interacts synergistically with Bortezomib. In endometrial carcinoma, Sunitinib induces a cell cycle arrest, apoptosis, inhibits NFκB pathway and interacts synergistically with Bortezomib. The SAs and PI could be useful combined with other agents and the use of Bortezomib and Sunitinib has shown to be effective in certain cases of melanoma and in endometrial carcinoma.
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Muñoz, Menéndez Ana Belén. "Resonancia magnética nuclear y marcadores moleculares en el estudio prequirúrgico de pacientes con carcinoma de endometrio. Correlación con el estadio quirúrgico final." Doctoral thesis, Universidad de Cantabria, 2014. http://hdl.handle.net/10803/133095.

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En general, se acepta el uso de la Resonancia preoperatoria para el estadiaje en el carcinoma de endometrio. Sin embargo, en nuestro hospital, hemos venido observando una cierta discrepancia entre los resultados de la Resonancia Magnética prequirúrgica y el estadiaje quirúrgico posterior. Esto nos ha hecho preguntarnos si podríamos, incluso, tener que plantearnos si es, en nuestro medio, una prueba diagnóstica necesaria en todas nuestras pacientes como diagnóstico previo a la cirugía, o si, tal vez, deberíamos excluirla de nuestro protocolo de estadiaje del cáncer de endometrio. Se estudiaron las historias de las pacientes con cáncer endometrial que fueron operadas en nuestro servicio entre Enero de 2007 y Diciembre de 2011, a las cuales se les había realizado una Resonancia Magnética previa a la cirugía. Tan solo se registró coincidencia completa entre los resultados de la Resonancia Magnética Nuclear prequirúrgica y el estadio quirúrgico final en el 47.2% de los casos analizados. Los datos obtenidos en el subgrupo de los carcinomas endometriales tipo I resultan mucho más razonables, observando un 63.9% de estadiaje correcto, más acorde a los estudios publicados sobre el tema, además de que en ningún caso de este subgrupo un fallo en la estadificación significó un cambio en el tratamiento final ni en el pronóstico.
In general , the use of preoperative magnetic imaging is accepted for staging in endometrial carcinoma. However, in our hospital, we have been observing a discrepancy between the results of preoperative MRI and subsequent surgical staging . This has made us wonder if, in our environment, it is a necessary diagnostic test in all our patients for diagnosis prior to surgery , or if , perhaps , we should exclude it from our endometrial cancer staging protocol. We studied the patients with endometrial cancer who had surgery in our department between January 2007 and December 2011, which had undergone preoperative MRI. There was a complete coincidence between the results of the Nuclear Magnetic Resonance preoperative and final surgical stage only in 47.2 % of cases analyzed. The data obtained in the subgroup of type I endometrial carcinomas are much more reasonable, seeing a 63.9 % correct staging , more in line with published studies on the topic, and in any case of this subgroup, staging failure meant a change in the final treatment or prognosis.
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Dahmoun, Marju. "Apoptosis, proliferation, and sex steroid receptors in endometrium and endometrial carcinoma." Doctoral thesis, Umeå : Univ, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-112.

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Vaskivuo, T. (Tommi). "Regulation of apoptosis in the female reproductive system." Doctoral thesis, University of Oulu, 2002. http://urn.fi/urn:isbn:9514266676.

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Abstract Apoptosis is a genetically programmed mechanism for a multicellular organism to remove cells that are unnecessary, or potentially harmful. The female reproductive system is characterised by a high rate of cellular proliferation. At the same time, apoptosis is also abundant during the normal physiological function of the ovary and endometrium. More than half of the 7 million oocytes that are produced during human ovarian development are deleted before birth and only about 400 oocytes reach the stage of ovulation during the female fertile lifespan. The fate of the non-ovulatory follicles is atresia, occurring through the mechanism of apoptosis. The endometrium goes through radical renewal processes during each menstrual cycle. Apoptosis has been suggested to participate in the regulation of endometrial cellular homeostasis. Errors in this mechanism can result in endometrial diseases such as hyperplasia and cancer. In this work, apoptosis and its regulation were studied in the human fetal and adult ovary, normal endometrium and endometrial pathologies. In fetal ovaries, apoptosis was already abundantly present in oocytes at 13 weeks of gestation. The maximum rate of apoptosis was seen between the 14th and 20th weeks, after which apoptosis decreased towards term. Ovarian Bcl-2 expression was detected in early fetal life during weeks 13 and 14. Bax expression was observed throughout the studied period, from week 13 to 40. The expression of transcription factor GATA-4, which is linked to follicular survival, was localised to the granulosa cells and was high in early fetal life and decreased somewhat towards term. In adult life apoptosis was located in the granulosa cells of the growing follicles. In ovarian biopsies from women homozygous for the inactivating C566T mutation of the FSH receptor, apoptosis or GATA-4 expression was not detected. During corpus luteum regression a peak in apoptosis was detected 10 - 12 days after the LH surge, and was preceded by an increase in 17HSD type 1 and TNF-α expression. During normal menstrual cycles, the highest rate of apoptosis was observed in the menstrual endometrium. This increase in apoptosis was preceded by a decreased Bcl-2/Bax ratio. In endometrial hyperplasia, the rate of apoptosis was similar to that seen during normal proliferation of the endometrium, but an apparent increase was observed in grade II endometrial carcinoma. In grade III carcinoma, the rate of apoptosis was lower than in grade II carcinoma but higher than in hyperplasia. These results indicate that apoptosis is the mechanism behind the substantial oocyte demise during ovarian development. During adult life, apoptosis was mainly localised to the granulosa cells of the growing follicles which do not reach the stage of a dominant follicle. In ovaries where FSH action is abolished, folliculogenesis was impaired and ovarian apoptosis was negligible. Apoptosis is also the underlying mechanism of corpus luteum regression. In the endometrium, apoptosis has a role in rejuvenating the endometrium for growth during the next endometrial cycle and in regulating cellular homeostasis.
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HAMID, ATIA AKHTAR. "Cyclical Change of hMSH2 Protein Expression in Normal endometrium during the Menstrual Cycle and its Overexpression in Endometrial Hyperplasia and Sporadic Endometrial Carcinoma." Kyoto University, 2002. http://hdl.handle.net/2433/149704.

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Kyoto University (京都大学)
0048
新制・課程博士
博士(医学)
甲第9461号
医博第2474号
新制||医||795(附属図書館)
UT51-2002-G219
京都大学大学院医学研究科外科系器官外科学(婦人科学産科学)専攻
(主査)教授 中畑 龍俊, 教授 丹羽 太貫, 教授 藤井 信吾
学位規則第4条第1項該当
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Books on the topic "Carcinoma Endometrio"

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Li, Shen-yi, and En-yu Wang. Endometrial Carcinoma. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74821-9.

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1942-, Wang En-yu, and Seta Michihiro, eds. Endometrial carcinoma. Beijing: People's Medical Pub. House, 1990.

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Beatriz, Jiménez-Ayala Portillo, ed. Endometrial adenocarcinoma: Prevention and early diagnosis. Basel: Karger, 2008.

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Hedrick Ellenson, Lora, ed. Molecular Genetics of Endometrial Carcinoma. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-43139-0.

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Kuramoto, Hiroyuki, and Masato Nishida, eds. Cell and Molecular Biology of Endometrial Carcinoma. Tokyo: Springer Japan, 2003. http://dx.doi.org/10.1007/978-4-431-53981-0.

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Seiichiro, Fujimoto, ed. Paraaortic lymph node metastasis in gynecologic malignancies. Sapporo, Japan: Hokkaido University School of Medicine, 2000.

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Cook, Linda S., Angela L. W. Meisner, and Noel S. Weiss. Endometrial Cancer. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190238667.003.0047.

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Endometrial cancer is rare among women of reproductive age, but in older women can occur at an annual rate of up to 50 –100 per 100,000. The incidence varies more than five-fold across regions of the world, with the rates generally being highest in North America and Europe. Endometrial cancer can be classified into two broad histologic groups: the more common type I tumors (e.g., endometrioid adenocarcinoma), which have a relatively good prognosis (case-fatality in the neighborhood of 20%); and the less common type II tumors (e.g., serous carcinoma), which have a poorer prognosis. The endometrium is a hormone-responsive tissue, and there is a large body of evidence to support a hormonal basis for carciogenesis. Specifically, exposure to high levels of circulating estrogens increases endometrial cancer risk, especially for type I cancer, whereas exposure to progestogens reduces risk.
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Seta, Michihiro, Shen-yi Li, and En-yu Wang. Endometrial Carcinoma. Springer London, Limited, 2012.

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C, Malkin J., and Tindall V. R. 1928-, eds. Endometrial carcinoma. Duphar Medical Relations, 1988.

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Carton, James. Gynaecological pathology. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780198759584.003.0012.

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This chapter covers gynaecological pathology and includes vulval skin diseases, benign vulval tumours, vulval carcinoma, vaginal infections, vaginal tumours, cervical carcinoma, cervical screening, endometriosis, endometrial carcinoma, uterine leiomyomas (fibroids), uterine leiomyosarcoma, functional ovarian cysts, benign non-epithelial ovarian tumours, benign epithelial ovarian tumours, borderline epithelial ovarian tumours, ovarian carcinomas, pelvic inflammatory disease, ectopic pregnancy, polycystic ovarian syndrome, hydatidiform mole, and pre-eclampsia.
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Book chapters on the topic "Carcinoma Endometrio"

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Li, Shen-yi, and En-yu Wang. "Epidemiology and Etiology." In Endometrial Carcinoma, 1–22. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74821-9_1.

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Li, Shen-yi, and En-yu Wang. "Pathology." In Endometrial Carcinoma, 23–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74821-9_2.

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Li, Shen-yi, and En-yu Wang. "Diagnosis of Endometrial Carcinoma." In Endometrial Carcinoma, 59–92. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74821-9_3.

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Li, Shen-yi, and En-yu Wang. "Treatment of Endometrial Carcinoma." In Endometrial Carcinoma, 93–158. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74821-9_4.

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Li, Shen-yi, and En-yu Wang. "Prognosis of Endometrial Carcinoma." In Endometrial Carcinoma, 159–84. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74821-9_5.

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Li, Shen-yi, and En-yu Wang. "Laboratory Research." In Endometrial Carcinoma, 185–225. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74821-9_6.

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Li, Shen-yi, and En-yu Wang. "Medicopsychologic Problems in Patients with Gynecologic Cancers." In Endometrial Carcinoma, 226–41. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74821-9_7.

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Murdock, Tricia A., Emanuela F. T. Veras, Robert J. Kurman, and Michael T. Mazur. "Endometrial Carcinoma." In Diagnosis of Endometrial Biopsies and Curettings, 261–332. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-98608-1_10.

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Frei Bonel, Kathrin A., and Karen Kinkel. "Endometrial Carcinoma." In MRI and CT of the Female Pelvis, 101–19. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-68212-7_6.

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Allen, Derek C. "Endometrial Carcinoma." In Histopathology Reporting, 229–38. London: Springer London, 2000. http://dx.doi.org/10.1007/978-1-4471-3671-2_24.

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Conference papers on the topic "Carcinoma Endometrio"

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Lekhi, Anshika, Rahul Manchanda, Nidhi Jain, Sravani Chithra, and Hena Kausar. "Presentation of endometrial carcinoma in young women." In 16th Annual International Conference RGCON. Thieme Medical and Scientific Publishers Private Ltd., 2016. http://dx.doi.org/10.1055/s-0039-1685342.

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Background: Endometrial carcinoma is a disease of older postmenopausal women, and is relatively uncommon in patients younger than 40 years. Endometrial carcinomas in this age group may be familial, associated with Lynch syndrome, or sporadic. Patient usually has increased exposure to estrogen. In 2%–14% of cases, it occurs in young patients (less than 40 years of age) who are eager to preserve their fertility. Its treatment includes hysterectomy, bilateral salpingo-oophorectomy and pelvic lymphadenectomy and in some cases, radiation therapy. Prevention of fertility is major challenge encountered in such cases. Aim: To present a case of young woman with endometrial carcinoma and through it to review the literature of its presentation and management in such groups. Case: We report a case of endometrial cancer in a 35-year-old woman with previous 3 cesarean treated for abnormal uterine bleeding and cared for in our department. Conclusion: Most endometrial carcinomas presenting in this young age are associated with estrogen excess. Pathologically they are usually low-grade endometrioid carcinomas with lower stage and are associated with favorable clinical outcomes. With this case the authors emphasize the need of endometrial reckoning in young females with abnormal bleeding before starting any medical treatment. Also highlighting the management options in such cases where fertility preservation holds challenge.
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Gupta, Shaveta. "Comparison of MRI findings with actual HPE findings in case of carcinoma endometrium." In 16th Annual International Conference RGCON. Thieme Medical and Scientific Publishers Private Ltd., 2016. http://dx.doi.org/10.1055/s-0039-1685340.

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Objectives: The objectives of this study is to investigate the correlation of magnetic resonance imaging (MRI) in predicting the depth of myometrial invasion, cervical involvement and lymph node involvement and actual histopathological findings in the women with endometrial cancer. Methods: This is a reterospective study of the patients of endometrial cancer from Nov 2011 to Jan 2016 who underwent Surgery (Total abdominal Hystrectomy with B/l salpingoophorectomy with peritoneal washings with b/l pelvic lymphadenectomy with or without para aortic lymphadenectomy) at our centre Max Superspeciality Hospital. CE MRI Pelvis has been done pre operatively in every patient. After the surgery Histopathological reports of the specimen checked and compared with MRI findings of that case. The purpose of the study is to evaluate the validity of MRI findings of endometrial cancer in comparison to final histopathological findings. Results: For the detection of myometrial invasion, overall sensitivity of MRI is 93.9%, specificity is 66.6%, for cervical involvement Senstivity is 60% and specificity 1s 93.75% and for detection of lymph node involvement sensitivity is 66.6% and specificity is 93.5%. Most common Finding on MRI is thickened endometrium with disruption of Junction jone. Conclusions: Preoperative pelvic MRI is a sensitive method of identifying invasion to the myometrium in endometrial cancer. MRI Is a sensitive noninvasive modality in predicting locoregional spread in ca endometrium. Senstivity in detecting Myometrial invasion is high but sensitivity is less in detecting cervical involvement and lymph node involvement is less.
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Pandher, Dilpreet K. "To find the prevalence of female genital tract malignancies in a tertiary care hospital." In 16th Annual International Conference RGCON. Thieme Medical and Scientific Publishers Private Ltd., 2016. http://dx.doi.org/10.1055/s-0039-1685376.

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Genital tract and breast are two most common sites of malignancy in females. Out of the genital tract malignancies, carcinoma cervix is so far found to be the commonest followed by ovary and endometrium. In developed countries, carcinoma cervix incidence is comparatively quite low due to good regular screening of females. One year review of patients was done, who underwent definitive/debulking surgery for a diagnosed malignant pathology of the genital tract, in obstetrics and gynaecology department of Govt medical College and Hospital, Chandigarh. Total 62 patients were operated, most common indication was carcinoma ovary, followed by endometrial cancer, cancer cervix and gestational trophoblastic neoplasia. 166 patients underwent biopsies for suspicious symptoms or the abnormal findings on examination and the patients with final malignancy report were either operated as described above and the inoperable cases were referred to oncotherapy department for further management.
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Pandher, Dilpreet K. "To find the prevalence of female genital tract malignancies in a tertiary care hospital." In 16th Annual International Conference RGCON. Thieme Medical and Scientific Publishers Private Ltd., 2016. http://dx.doi.org/10.1055/s-0039-1685349.

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Genital tract and breast are two most common sites of malignancy in females. Out of the genital tract malignancies, carcinoma cervix is so far found to be the commonest followed by ovary and endometrium. In developed countries, carcinoma cervix incidence is comparatively quite low due to good regular screening of females. One year review of patients was done, who underwent definitive/debulking surgery for a diagnosed malignant pathology of the genital tract, in obstetrics and gynaecology department of Govt. medical College and Hospital, Chandigarh. Total 62 patients were operated, most common indication was carcinoma ovary, followed by endometrial cancer, cancer cervix and gestational trophoblastic neoplasia. 166 patients underwent biopsies for suspicious symptoms or the abnormal findings on examination and the patients with final malignancy report were either operated as described above and the inoperable cases were referred to oncotherapy department for further management.
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Yela, Daniela Angerame, and Natália Giovanelli Gaspar. "Relato de caso: carcinoma ductal de mama com metástase de endométrio." In 45º Congresso da SGORJ XXIV Trocando Ideias. Zeppelini Editorial e Comunicação, 2021. http://dx.doi.org/10.5327/jbg-0368-1416-20211311076.

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Introdução: O câncer de mama é atualmente o mais prevalente câncer entre as mulheres. Os locaismais comuns de metástases hematogênicas de câncer de mama são pulmão, ossos, fígado e cérebro. O útero é um local atípico, porém em até 8% dos casos pode ocorrer metástase para esse órgão. Entre os carcinomas mamários, o carcinoma lobular é o que mais frequentemente leva à metástase no útero, mais comumente no miométrio, sendo o endométrio um sítio raro. Há atualmente na literatura poucos casos descritos nos quais o carcinoma ductal da mama leva à metástase endometrial. Relato de caso: Mulher de 62 anos com câncer de mama à direita diagnosticado em 2009, cuja biópsia mostrou ser carcinoma ductal invasivo com receptor positivo para estrógeno e progesterona e negativo para HER2. Foi submetida a quadrantectomia e biópsia de linfonodo sentinela, com esvaziamento axilar em função de linfonodos comprometidos. Após a cirurgia, a paciente realizou quimioterapia e radioterapia adjuvante e hormonioterapia com tamoxifeno. Ficou em seguimento no serviço até 2014. Em 2020, apresentou fraqueza e perda de peso e foi identificada recidiva do tumor. No estadiamento, foram detectadas lesões em pulmão, fígado, ossos, fígado, linfonodos. Realizou-se biópsia hepática, que confirmou a recidiva do carcinoma ductal invasivo. A paciente apresentava queixa de dor pélvica e o ultrassom transvaginal evidenciou espessamento endometrial. Foi submetida a histeroscopia com exérese de um pólipo endometrial, cuja imuno-histoquímica foi positiva para mamoglobina e GATA3, confirmando a presença de metástase nesse órgão. A paciente está atualmente em tratamento quimioterápico. Conclusão: A metástase de endométrio advinda do câncer de mama constitui um desafio diagnóstico por sua baixa incidência. O espessamento endometrial em mulheres com antecedente prévio de câncer de mama deve ser investigado para excluir a metástase em endométrio.
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Mishra, Amita, Archit Pandit, Namit Kalra, and Bhawna Narula. "Primary signet ring cell mucinous carcinoma ovary: A very rare neoplasm." In 16th Annual International Conference RGCON. Thieme Medical and Scientific Publishers Private Ltd., 2016. http://dx.doi.org/10.1055/s-0039-1685405.

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Introduction: Mucinous ovarian carcinomas are less common than serous and endometriod type, and are more frequently confined to the ovary at the time of diagnosis. But primary signet ring cell mucinous carcinomas of the ovary are extremely rare. Case Presentation: A 40 yr old patient presented with extremely rare primary signet cell mucinous carcinoma of ovary. She presented with abdominal distension and frequency of urination for one month. She was evaluated and CECT whole abdomen was s/o large left ovarian mass. All the tumor markers were with in normal range. Laparotomy frozen section of left adnexal mass was done and was reported as malignant with sheets of signet ring cells seen. Hence complete staging laparotomy including TAH with RSO with bilateral pelvic lymph node dissection with total omentectomy with para aortic lymph node dissection. Final histopathology with IHC markers were S/O primary signet ring cell carcinoma of ovary with no extracapsular invasion, no lymph nodal involvement & no metastatic spread. Conclusion: We present a very rare case of primary signet ring cell of ovary, confined to ovary itself. On literature review only 14 cases have been reported and of them very few are malignant.
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Soni, Abhishek, Nupur Bansal, A. K. Dhull, Vivek Kaushal, Rajeev Atri, and Monica Verma. "Diagnostic dilemma of mesonephric adenocarcinoma cervix." In 16th Annual International Conference RGCON. Thieme Medical and Scientific Publishers Private Ltd., 2016. http://dx.doi.org/10.1055/s-0039-1685283.

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Introduction: Mesonephric carcinoma is a rare type of epithelial tumor of the uterine cervix which derive from the remnants of the paired mesonephric (Wolff’s) ducts. The incidence of such neoplasms is difficult to determine due to rarity, previous misclassification of clear cell carcinomas and yolk sac tumours as mesonephric carcinomas and potential underreporting due to misclassification of mesonephric carcinoma as Mullerian tumours or mesonephric hyperplasia. The evidence regarding the clinical course, prognosis and optimal treatment is limited. Materials and Methods: Searches were performed on MEDLINE, EMBASE and Google Scholarly articles. All the relevant articles were included in the study. Only approximate 40 cases have been reported till now. Discussion: Mesonephric adenocarcinoma cervix has different morphologies like ductal, tubular, solid, retiform, sex-cord like pattern, clear cell and serous papillary structures. IHC assessment is helpful in differentiating it from Mullerian counterpart, as it is negative for CEA, CK20, p16, PAX2, ER/PR and vimentin and positive for CD10, calretinin, CK7, CAM5.2 and EMA. It has no relation with HPV infection. Unlike squamous epithelial carcinoma, it is rarely presenting with the abnormal cervical smear result, has more advanced age at presentation and its incidence does not appear to decline with age. The diagnosis has been supported by endometrial curettings, directed/cone cervical biopsies and hysterectomy specimens. The majority of patients are diagnosed at stage IB with mean DFS of 48.6 months. Recurrence rate is 23%, with a mean interval of 40 months. Hysterectomy is the primary treatment. Advanced stage disease of adenocarcinoma seemed to respond to radiotherapy, but for the MMMTs the combination of chemotherapy with radiotherapy appears to be preferable. Conclusion: Rarity of the neoplasm, varied morphology, mix presentation and very low number of cases leads to difficulty in correct diagnosis in a small biopsy specimen. IHC helpful in differentiating it from other lesions.
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Jain, Nidhi, Rahul Manchanda, Anshika Lekhi, Sravani Chithra, and Hena Kausar. "Primary clear cell adenocarcinoma of cervix in a young women: A rare entity." In 16th Annual International Conference RGCON. Thieme Medical and Scientific Publishers Private Ltd., 2016. http://dx.doi.org/10.1055/s-0039-1685279.

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Cervical cancer is the most common gynaecological malignancy worldwide. The most common type of cervical carcinoma is squamous cell carcinoma followed by adenocarcinoma of cervix, which constitutes only 15% of cases. Adenocarcinoma of cervix can be categorized histologically into clear cell, mucinous, endometrioid, serous and mesonephric subtypes. Clear cell adenocarcinoma (CCA) most commonly occurs in the ovary, followed by endometrium, vagina, and cervix. Primary CCA of cervix is a rare neoplastic entity, which occurs in young women exposed to diethylstilbestrol (DES) in utero. It is extremely rare in women without in utero DES exposure and in such cases it concerns mostly postmenopausal women. Here, we present a case of 30 year old woman who presented with primary infertility. There was no history of in-utero exposure to diethyl stilbestrol. She was diagnosed a case of cervical fibroid on ultrasonography. Diagnostic hysteroscopy was done and she was found to have friable, vascular growth in endocervix, which was extending to uterine cavity. Biopsy was taken. On histopathology, moderately differentiated clear cell adenocarcinoma of cervix was reported. Through this case, authors would like to highlight the probability of rare occurrence and how to manage challenges posed by cervical cancer in young girl wishing to conceive, stressing on the role of hysteroscopy in diagnosis.
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Jaishuen, A., J. Petsuksiri, P. Karavanich, V. Achariyapota, S. Kuljarusnont, and P. Inthasorn. "EP538 Prediction of pelvic lymph node metastasis in endometrioid endometrial carcinoma." In ESGO Annual Meeting Abstracts. BMJ Publishing Group Ltd, 2019. http://dx.doi.org/10.1136/ijgc-2019-esgo.596.

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Khemworapong, Khemanat, Pattra Wisarnsirirak, Atthapon Jaishuen, Boonlert Viriyapak, Pisutt Srichaikul, Vuthinun Achariyapota, and Nida Jareemit. "Survival benefit of para-aortic lymph node evaluation in endometrioid endometrial carcinoma." In The 7th Biennial Meeting of Asian Society of Gynecologic Oncology. Korea: Asian Society of Gynecologic Oncology; Korean Society of Gynecologic Oncology; Japan Society of Gynecologic Oncology, 2021. http://dx.doi.org/10.3802/jgo.2021.32.s1.e15.

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