Adult cerebellar medulloblastoma: CT and MRI findings in eight cases

Medulloblastoma is a brain tumor of neuroepithelial origin, which represents 15 to 30% of all pediatric brain tumors, and less than 1% of CNS adult neoplasms. We report the imaging findings of 8 adult patients with medulloblastoma. The mean age was 35 years, ranging from 20 to 65 years, and the male...

Full description

Saved in:
Bibliographic Details
Published in:Arquivos de neuro-psiquiatria 2003-06, Vol.61 (2A), p.199-203
Main Authors: de Carvalho Neto, Arnolfo, Gasparetto, Emerson L, Ono, Sérgio E, Bertoldi, Guilherme A, Gomes, André F
Format: Article
Language:English
Subjects:
Adult
adults
Aged
Cerebellar Neoplasms - diagnosis
computed tomography
Female
Humans
Magnetic Resonance Imaging
Male
medulloblastoma
Medulloblastoma - diagnosis
Middle Aged
NEUROSCIENCES
PSYCHIATRY
Retrospective Studies
Tomography, X-Ray Computed
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Medulloblastoma is a brain tumor of neuroepithelial origin, which represents 15 to 30% of all pediatric brain tumors, and less than 1% of CNS adult neoplasms. We report the imaging findings of 8 adult patients with medulloblastoma. The mean age was 35 years, ranging from 20 to 65 years, and the male:female rate was 3:5. The tumors were predominantly lateral (63%), hyperdense on CT scans (83%), and on the MRI, hypointense on T1 (100%) and hyperintense on T2 (80%) weighted images. It was seen intratumoral necrosis and cysts in six cases and calcifications in three. Hydrocephalus was observed in 5 cases and brain stem invasion in four. The imaging findings of medulloblastomas in adults are different of those in child, and also nonspecific. Although these tumors are uncommon in adults, they must be considered in the differential diagnosis of cerebellar masses in the posterior fossa of this age group.
ISSN:0004-282X
1678-4227
0004-282X
1678-4227
DOI:10.1590/S0004-282X2003000200008