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Academic literature on the topic 'Astrocytomes pilocytiques'
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Journal articles on the topic "Astrocytomes pilocytiques"
Elouahdani, Selma. "Astrocytomes pilocytiques de l’adulte : phénotypage et génotypage." Neurochirurgie 51, no. 6 (December 2005): 614. http://dx.doi.org/10.1016/s0028-3770(05)83643-4.
Full textKlein, O., Y. Grignon, T. Civit, C. Pinelli, J. Auque, and J. C. Marchal. "Les astrocytomes pilocytiques du diencéphale de l’enfant." Neurochirurgie 52, no. 1 (February 2006): 3–14. http://dx.doi.org/10.1016/s0028-3770(06)71165-1.
Full textBing, F., S. Kremer, L. Lamalle, S. Chabardes, B. Pasquier, J. F. Le Bas, and S. Grand. "Intérêt de l’imagerie de perfusion dans l’étude des astrocytomes pilocytiques et des hémangioblastomes: étude préliminaire." Journal of Neuroradiology 34, no. 1 (March 2007): 12. http://dx.doi.org/10.1016/j.neurad.2007.01.051.
Full textBing, F., S. Kremer, L. Lamalle, S. Chabardes, A. Ashraf, B. Pasquier, J. F. Le Bas, A. Krainik, and S. Grand. "Intérêt de l’imagerie de perfusion dans l’étude des astrocytomes pilocytiques et des hémangioblastomes : étude préliminaire." Journal of Neuroradiology 36, no. 2 (May 2009): 82–87. http://dx.doi.org/10.1016/j.neurad.2008.09.002.
Full textSzathmari, A., F. Di-Rocco, P. A. Beuriat, B. Grassiot, A. Jouvet, and C. Mottolese. "Facteurs prédictifs de récidive dans les astrocytomes pilocytiques de la FCP de l’enfant. Une revue sur dix ans." Neurochirurgie 63, no. 1 (March 2017): 37–38. http://dx.doi.org/10.1016/j.neuchi.2016.11.019.
Full textHachicha, A., F. Kolsi, M. Khrifech, H. Mechergui, F. Jarraya, and M. Z. Boudawara. "Présentation inhabituelle d’un astrocytome pilocytique." Neurochirurgie 66, no. 4 (August 2020): 318. http://dx.doi.org/10.1016/j.neuchi.2020.06.092.
Full textLambarki, I., A. Jehri, Y. Tahrir, K. Ibahioin, S. Hilmani, and A. Lakhdar. "Astrocytome pilocytique du cervelet chez l’enfant." Neurochirurgie 66, no. 4 (August 2020): 309. http://dx.doi.org/10.1016/j.neuchi.2020.06.066.
Full textBesrour, C., I. Ben Nacef, I. Rojbi, M. Majdoub, Y. Lakhoua, N. Mchirgui, and K. Khiari. "Astrocytome pilocytique suprasellaire : à propos d’un cas." Annales d'Endocrinologie 82, no. 5 (October 2021): 381. http://dx.doi.org/10.1016/j.ando.2021.08.360.
Full textZammeli, M., N. Daoussi, A. Ben Ncir, H. Khelifi, M. Boughammoura, M. Kilani, B. Zantour, and N. Hattab. "Astrocytome pilocytique supra sellaire : à propos d’un cas." Annales d'Endocrinologie 74, no. 4 (September 2013): 447. http://dx.doi.org/10.1016/j.ando.2013.07.747.
Full textColnat-Coulbois, S., O. Klein, M. Braun, P. Thouvenot, and J. C. Marchal. "Traitement d’un astrocytome pilocytique kystique médullaire par irradiation endocavitaire." Neurochirurgie 56, no. 6 (December 2010): 553. http://dx.doi.org/10.1016/j.neuchi.2010.10.091.
Full textDissertations / Theses on the topic "Astrocytomes pilocytiques"
El, Ayachi Ikbale. "KIAA 0510, Ténascine R, et astrocytomes pilocytiques." Thesis, Aix-Marseille 2, 2010. http://www.theses.fr/2010AIX20684/document.
Full textGliomas are the most frequently occurring primary tumors in the central nervous system. These last years, molecular biology technics allowed a better understanding of the gliomagenesis as well as behaviour of these tumors. We have previously shown that molecular profiling of glioblastomes (WHO grade IV) and pilocytic astrocytomas (WHO grade I) differed for KIAA 0510 gene expression. This sequence was fully characterized and shown to be part of the tenascin R gene encoding for an extracellular matrix glycoprotein involved in migration and cell differentiation. In addition, during development, Tenascin-R may be involved in corticogenesis.In parallel, in the developing optic chiasm, we evidenced cells with radial glial characteristics from which the hypothalamo-chiasmatic pilocytic astrocytomas could derive
DONAZZAN, ANTOINE. "Les astrocytomes pilocytiques de la region du troisieme ventricule chez l'enfant." Lille 2, 1989. http://www.theses.fr/1989LIL2M417.
Full textFernandez, Carla. "Tumeurs cérébrales pédiatriques et développement : aspects anatomo-cliniques : astrocytomes pilocytiques et DNT [Dysembryoplastic Neuroepithelial Tumor] : aspects fondamentaux." Aix-Marseille 2, 2006. http://www.theses.fr/2006AIX20685.
Full textMercurio, Sandy. "Mise en évidence de nouvelles cibles thérapeutiques dans les tumeurs gliales et glioneuronales de l'enfant." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM5094/document.
Full textGlial and glioneuronal tumors are the most frequent brain tumors in children. They are characterized by an excellent prognosis. However, hypothalamic-chiasmatic pilocytic astrocytomas (PA) have a more aggressive outcome. In the first part, we propose a new therapeutic strategy for hypothalamic-chiasmatic PA according to drug repositioning method, by using celecoxib, and fluvastatin. We showed that, in vitro, this combination was synergistic, stopped cell cycle, inhibited cell proliferation and increased apoptosis. In addition, this combination was tested with success, under a metronomic chemotherapy, for a girl suffering from a multifocal PA and refractory to conventional treatment. This new strategy of treatment appears promising for this type of tumor because it is less toxic than conventional chemotherapy and not too expensive. In the second part, this manuscript describes the histo-molecular study of several retrospective series of glial and glioneuronal pediatric tumors conducted to improve their characterization and their diagnosis. We confirmed the presence of the fusion gene KIAA1549: BRAF in PA as well as the pejorative nature of the hypothalamic-chiasmatic topography, pilomyxoïde histology and the age at diagnosis less than 36 months. We also showed no molecular difference between cortical grade II gliomas associated with chronic epilepsy and the DNT group. Finally, we showed that DNT, GG and PXA share BRAFV600E mutation and expression of CD34. These studies confirm the major implication of the MAPKinase altered pathway in tumorigenesis of glial and glioneuronal pediatric tumors, constituting a promising therapeutic target
Padovani, Laëtitia. "Caractérisation moléculaire des tumeurs cérébrales circonscrites de l'enfant." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM5018.
Full textThe OMS classification for pediatric brain tumors includes glial tumors and mixed glial and glioneuronal tumors, diffuse and no diffuse glioma. All strategic decision making are based on this current classification but it drives to some limits of diagnosis reproductibility.The goal of our study was to define molecular profils for low grade no diffuse pediatric brain tumors including pilocytic astrocytoma (PA), dysembryoplasic neuroepithelial tumor (DNT), pleiomorphic xanthoastrocytoma (PXA) and benign gangliogliome (GG), to improve the quality of diagnosis, define different subgroups with different prognosis and then to improve treatment strategy decision making.No molecular difference was found between cortical grade II glioma (GC) and DNT regarding IDH1 and 2 TP53 alterations and 1p19q deletion. Similarly 50 % of no specific form of DNT share the same molecular profil with GC with CD34 expression and V600E mutation of BRAF. PXA demonstrated BRAFV600E mutation in 60 % of cases. PXA could then be very close glioneuronal tumors. Finally in PA we confirmed the negative impact of hypothalochiasmatic location, pilomyxoid diagnosis and age lower than 36 months and partial resection. We could work on the elaboration of a new classification and define the group named “Histone dependant” for tumors with histone aberrations and the group named “MAPKinases dependant” for tumors with either KIAA 1543-BRAF fusion or V600E BRAF mutation.In conclusion, this work has led to improve the molecular profil characteristics of glioneuronal tumors of childhood with different easy diagnostic markers that can be used in routine practice, and could potentially replace DNA sequencing