Extra-axial medulloblastoma in the cerebellar hemisphere : a report of a rare case with literature review

الملخص EN

Extra-axial medulloblastoma is quite rare tumor.

This report concern a 13 year old girl who presented with headache, nausea and vomiting of two months duration.

Radiological findings demonstrate heterogeneous mass involving the left cerebellar hemisphere and compressing the vermis and the 4th ventricle causing acute hydrocephalus.

Patient was treated with venriculo-peritoneal shunt for hydrocephalus followed by posterior fossa craniectomy and gross total tumor excision.

The diagnosis of medulloblastoma is confirmed by histopathology.

This is the first reported case of total extra-axially located medulloblastoma in Iraq.

Although extremely rare, medulloblastoma should be considered in the differential diagnosis of extra-axial cerebellar hemisphere lesions in children.