Abstract
The medulloblastoma is an infratentorial, rapidly growing embryonic tumor that arises in the posterior part of the cerebellar vermis and neuroepithelial roof of the fourth ventricle. It is frequent in children relatively uncommon in adults. Medulloblastoma is also named infratentorial primitive neuroectodermal tumor (PNET).We present a case of 28 year old male diagnosed with medulloblastoma in our clinic.
Highlights
Central nervous system primitive neuroectodermal tumor (PNET) are typically found in children or adolescents and very rarely in adults, with less than 100 cases reported in the literature to date. [4,5]
We present the case of a 28 years old male who accused infrequently mild short episodes of headache, without vomiting and mild short episodes of Author for correspondence: Adina Roceanu, Neurology Department, University Emergency Hospital, 169 Splaiul Independentei, Bucharest
The particularity of our case is that medulloblastoma was found in an adult patient with minimal neurological symptoms of recent onset, in contrast with impressive neuroimaging findings
Summary
Primitive neuroectodermal tumors (PNETs) are typically present as masses in children and adolescents, but rarely in adults. Primitive neuroectodermal tumors (PNETs) are classified by the World Health Organization as embryonal tumors comprising of undifferentiated or poorly differentiated neuroepithelial cells which appear to or which have the capacity to differentiate into astrocytic, neuronal, ependymal, muscular, or melanocytic lines [1]. Central nervous system PNETs are typically found in children or adolescents and very rarely in adults, with less than 100 cases reported in the literature to date. The medulloblastoma is an infratentorial, rapidly growing embryonic tumor that arises in the posterior part of the cerebellar vermis and neuroepithelial roof of the fourth ventricle. It is frequent in children relatively uncommon in adults. The tumor is characterized by distinctive high signal on both T1 and T2-weighted MRI, with heterogeneous enhancement and typical location adjacent to and extension into the fourth ventricle
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