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|Type:||Artigo de periódico|
|Title:||Neuroimaging in pineal tumors|
|Abstract:||Background and Purpose. The authors report radiological findings in 11 tumors in the pineal region, which were histologically diagnosed as germinomas, pineocytomas pineoblastomas, epenclymomas, teratomas, and astrocytomas. Methods. Computed tomography (CT) was performed in seven patients and magnetic resonance imaging (MRI) was performed in all patients. Results. CT showed a solid or solid/cystic mass with variable contrast enhancement. MRI showed a heterogeneous mass, with hypointense signal on T1 and iso/hyperintense signal on T2-weighted images (WI) and gadolinium enhancement. Extension to adjacent structures occurred in five patients and spread through the cerebral spinal fluid (CSF) in two. Conclusions. Pineal region tumors have no pathognomonic imaging pattern. MRI and CT are complementary in diagnosis and are important to determine localization, extension, and meningeal spread.|
|Editor:||Sage Publications Inc|
|Citation:||Journal Of Neuroimaging. Sage Publications Inc, v. 16, n. 1, n. 52, n. 58, 2006.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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