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  • Title: [Infratentorial localisation of a dysembryoplastic neuroepithelial tumor. A case report].
    Author: Litrico S, Desjardins T, Dran G, Michiels JF, Paquis P.
    Journal: Neurochirurgie; 2004 Mar; 50(1):47-52. PubMed ID: 15097920.
    Abstract:
    Neuroepithelial dysembryoplastic tumor (DNT) is usually considered as a supratentorial benign neoplasm. DNT of the posterior fossa is a very rare entity and only four previous cases were reported in the literature. We describe a case of a 26-Year-old woman presenting recurrent episodes of vertigo. Magnetic resonance imaging revealed four cystic lesions located in the cerebellum, hypointense on T1-weighted images and hyperintense on T2-weighted images, without gadolinium enhancement. After partial resection, histological examination showed small glial cells, oligodendrocytes-like, lying in an eosinophilic alveolar matrix with some floating neurons. Due to this specific glioneuronal element, the diagnosis of DNT was retained. We discuss the clinical and radiological particularities of this infratentorial location and compare our case with those previously described in the literature.
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