Academic literature on the topic 'Risonanza magnetica strutturale'
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Journal articles on the topic "Risonanza magnetica strutturale"
Cirillo, S., F. Caranci, A. D'Amico, F. Briganti, F. Tortora, M. Greco, and R. Elefante. "Giunzione occipito-cervicale." Rivista di Neuroradiologia 13, no. 3 (June 2000): 289–306. http://dx.doi.org/10.1177/197140090001300302.
Full textCarella, A., C. F. Andreula, M. Camicia, E. A. Alloro, and L. Garofalo. "La Risonanza Magnetica nella patologia non tumorale del rachide." Rivista di Neuroradiologia 1, no. 1_suppl (April 1988): 47–57. http://dx.doi.org/10.1177/19714009880010s106.
Full textBartolozzi, C., M. Olmastroni, and G. Dal Pozzo. "La risonanza magnetica nella patologia discale." Rivista di Neuroradiologia 2, no. 1_suppl (February 1989): 35–41. http://dx.doi.org/10.1177/19714009890020s107.
Full textBernardi, L. "La risonanza magnetica nella patologia maxillo-facciale." Rivista di Neuroradiologia 4, no. 3_suppl (December 1991): 141–46. http://dx.doi.org/10.1177/19714009910040s325.
Full textD'Aprile, P., F. Macina, C. F. Andreula, G. Tripoli, and A. Carella. "Gadolinio-DTPA in angiografia a risonanza magnetica." Rivista di Neuroradiologia 7, no. 6 (December 1994): 909–19. http://dx.doi.org/10.1177/197140099400700610.
Full textTriulzi, F., M. Machado, A. Righi, and G. Scotti. "L'agenesia del corpo calloso: Valutazione mediante risonanza magnetica e correlazioni cliniche." Rivista di Neuroradiologia 2, no. 2 (June 1989): 113–24. http://dx.doi.org/10.1177/197140098900200203.
Full textMangia, S., MA Macrì, G. Garreffa, and B. Maraviglia. "Prospettive e limiti dei metodi RM nello studio della funzionalità cerebrale." Rivista di Neuroradiologia 13, no. 1 (February 2000): 85–92. http://dx.doi.org/10.1177/197140090001300115.
Full textBonetti, M., B. S. Cotticelli, F. Albertini, G. Dalla Volta, B. Troianiello, and M. Guindani. "Atrofia olivopontocerebellar sporadica: Studio con risonanza magnetica." Rivista di Neuroradiologia 16, no. 2 (April 2003): 307–14. http://dx.doi.org/10.1177/197140090301600211.
Full textColombo, N., and G. Scialfa. "Studio anatomico RM del sistema nervoso centrale." Rivista di Neuroradiologia 1, no. 1_suppl (April 1988): 13–26. http://dx.doi.org/10.1177/19714009880010s103.
Full textAndreula, C. F., P. Ladisa, A. Nella, R. De Blasi, and A. Carella. "La risonanza magnetica nella Neurosarcoidosi." Rivista di Neuroradiologia 7, no. 6 (December 1994): 899–907. http://dx.doi.org/10.1177/197140099400700609.
Full textDissertations / Theses on the topic "Risonanza magnetica strutturale"
Marchetti, Alessandro. "Sviluppi metodologici per la cristallizzazione e l’analisi strutturale di proteine tramite Risonanza Magnetica Nucleare allo stato solido." Doctoral thesis, Scuola Normale Superiore, 2012. http://hdl.handle.net/11384/85789.
Full textVILLANI, UMBERTO. "Dall'imaging di microstruttura alla connettività strutturale: l'utilizzo della risonanza magnetica di diffusione per investigare l'impatto dei gliomi sul cervello umano." Doctoral thesis, Università degli studi di Padova, 2022. http://hdl.handle.net/11577/3450310.
Full textDiffusion-based Magnetic Resonance Imaging (dMRI) is rapidly becoming the instrument of choice to probe the structure of the human brain in vivo. By modelling the properties of water diffusion inside cerebral tissues, it is indeed possible to extract surrogates of histological measures, such as fibre density, conformation and preferential direction, in a non-invasive manner. Furthermore, local orientational features can be used to reconstruct axonal pathways that link different brain regions, allowing the study of how they are structurally connected. Nevertheless, the quantification of dMRI measures must be cautious when the physiological environment of brain tissues is drastically altered. Such is the case of brain tumours. The microstructure of brain tumours is highly heterogeneous, being diverse between and inside specific types and malignancy grade. The wide spectrum of cellular environments they feature invalidates several hypotheses on which diffusion-based microstructure models are built and, contemporarily, poses difficulties in the process of tracking white matter in affected regions. Given these limitations, are these techniques worth using in this complex pathological environment? During the last three years I explored several state of the art diffusion-based methodologies in a cohort of patients suffering from a range of brain tumours. Hence, this thesis strives to be a summary of this work, laying the foundation for future studies aiming to integrate the use of advanced dMRI in the clinical neuro-oncological practice. The thesis is divided in three main parts, which are organized as follows: In the first part, an assessment is made whether two widely known diffusion advanced models, Neurite Orientation Dispersion and Density Imaging (NODDI) and the Spherical Mean Technique (SMT) are properly fitted in the tumoral lesion in terms of goodness-of-fit and parameter precision. Several works, concentrating mainly on NODDI, used such techniques not as biophysical models but as signal representations, trying to find biomarkers that differentiate more and less isotropic environments which contribute to the totality of the diffusion signal in ‘tumoral’ voxels. These studies were performed without first checking whether these diffusion metrics are mathematically reliable. This issue is here assessed from a technical point of view, without giving specific biophysical meaning to the models in exam inside the tumoral tissues The second part features a comparison study between methods for the identification of structurally disconnected white matter (WM) in brain tumour patients. Here, two branches of methodologies were identified, namely direct and indirect approaches. The formers use single-subject tractography to directly investigate which fibre bundles may be affected by the presence of the tumour. The latters, instead, embed the focal lesion on a normative atlas of white matter tracts, identifying the probability of a WM voxel being disconnected by the pathology. Employing known image analysis metrics, both approaches are discussed, highlighting points of convergence, but also of disagreement, in terms of the physio-pathological information they can convey. In the third and last part of this thesis, tumour-related anomalies of diffusion-based structural connectivity (SC) matrices are put in relationship with metabolic measures from [18F]-FDG PET. A procedure for tractography algorithm selection was firstly performed, and after the SC quantification, a statistical method of detecting altered connections in the tumour-affected SC matrix is presented. Within such a framework, the amount of affected SC entries was eventually quantified in the available cohort of patients and put in relationship with standardized uptake values from PET. Finally, a discussion of the results of this association is provided, paying particular attention to the limitations of these imaging modalities in the brain oncological field.
Muratori, Luca. "Tecniche di neuroimaging strutturale avanzato nei disturbi dello spettro autistico." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2020.
Find full textANZUINO, ISABELLA. "COMPROMISSIONE DELL'ELABORAZIONE EMOZIONALE NELLA MALATTIA DI PARKINSON: PRODUZIONE E RICONOSCIMENTO DELLE EMOZIONI TRASMESSE DAL VOLTO E DALLA VOCE." Doctoral thesis, Università Cattolica del Sacro Cuore, 2022. http://hdl.handle.net/10280/112847.
Full textThe original description characterizing Parkinson’s Disease (PD) by motor symptoms has been updated because patients also frequently experience, among others, emotional‐processing impairments leading to difficulty in expressing and recognizing others’ emotions from prosody and facial expression. In the current thesis, it was investigated, at the behavioural level, if PD could induce modifications in the production and recognition of emotions conveyed by face and voice. At the neurostructural level, grey matter alterations in PD subgroup were explored, testing if the performance obtained in the various tasks devised to study the emotional processing is associated with indices of grey matter integrity in PD. Taken together, the evidence collected in this thesis confirms that PD is characterized by a deficit in the production and recognition of facial and vocal expressions from disease onset, which could be explained not only by the functional involvement of the dopaminergic pathways and basal ganglia in these processes, but also by the engagement of a more extensive network underlying emotional processing.
Nanni, Michela <1976>. "Variabilita delle strutture commessurali nell'agenesia isolata del corpo calloso in un'ampia casistica di risonanza magnetica fetale." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amsdottorato.unibo.it/7626/2/tesi_08-04-2016.pdf.
Full textBackground and Purpose Agenesis of corpus callosum (ACC), even when isolated, may be characterized by anatomical variability. The aim of this study was to describe the types of other forebrain commissures, in a large cohort of randomly enrolled fetuses with apparently isolated ACC at prenatal magnetic resonance (MR) imaging. Materials and Methods From 2004 to 2014 in all fetuses with apparently isolated ACC submitted to prenatal MR imaging, the presence of the anterior (AC) or a vestigial hippocampal commissure (HC) was assessed "in consensus" by two pediatric neuroradiologists. Results Overall 62 cases of ACC were retrieved from our database. In 3/62 fetuses (4,8%) no forebrain commissure was visible at prenatal MR imaging, 23/62 cases (37,1%) presented only the AC, 20/62 cases (32,3%) showed both the AC and a residual vestigial HC, whereas in the remaining 16/62 cases (25,8%) a hybrid structure (HS) merging a residual vestigial HC and a rudiment of CC body was detectable. Postnatal MR imaging, when available, confirmed prenatal forebrain commissure findings. Conclusions The vast majority of fetuses with apparently isolated ACC showed at least one forebrain commissure at prenatal MR imaging, and about half of cases also a second commissure: a vestigial HC or a hybrid made of HC and rudiment CC body. It remains to be assessed if such variability is the result of different genotype and if it may have any impact on the long term neurodevelopmental outcome
Nanni, Michela <1976>. "Variabilita delle strutture commessurali nell'agenesia isolata del corpo calloso in un'ampia casistica di risonanza magnetica fetale." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amsdottorato.unibo.it/7626/.
Full textBackground and Purpose Agenesis of corpus callosum (ACC), even when isolated, may be characterized by anatomical variability. The aim of this study was to describe the types of other forebrain commissures, in a large cohort of randomly enrolled fetuses with apparently isolated ACC at prenatal magnetic resonance (MR) imaging. Materials and Methods From 2004 to 2014 in all fetuses with apparently isolated ACC submitted to prenatal MR imaging, the presence of the anterior (AC) or a vestigial hippocampal commissure (HC) was assessed "in consensus" by two pediatric neuroradiologists. Results Overall 62 cases of ACC were retrieved from our database. In 3/62 fetuses (4,8%) no forebrain commissure was visible at prenatal MR imaging, 23/62 cases (37,1%) presented only the AC, 20/62 cases (32,3%) showed both the AC and a residual vestigial HC, whereas in the remaining 16/62 cases (25,8%) a hybrid structure (HS) merging a residual vestigial HC and a rudiment of CC body was detectable. Postnatal MR imaging, when available, confirmed prenatal forebrain commissure findings. Conclusions The vast majority of fetuses with apparently isolated ACC showed at least one forebrain commissure at prenatal MR imaging, and about half of cases also a second commissure: a vestigial HC or a hybrid made of HC and rudiment CC body. It remains to be assessed if such variability is the result of different genotype and if it may have any impact on the long term neurodevelopmental outcome
Book chapters on the topic "Risonanza magnetica strutturale"
Meduri, Agostino, Luigi Natale, and Lorenzo Bonomo. "Come strutturare un esame RM completo." In Risonanza magnetica cardiaca, 65–79. Milano: Springer Milan, 2010. http://dx.doi.org/10.1007/978-88-470-1694-1_7.
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