A Case of Oligodendroglioma of the Cerebellar Vermis

In the posterior fossa rarely develops oligodendroglioma and a review of the literature yields reports of two cases in the 4th ventricle in Korea. The authors present a case of 65-year-old woman patient with only the symptoms of increased intracranial pressure such as headache, dizziness and vomiting in spite of a large, irregular calcified mass occupying the cerebellar vermis on the brain CT scan. The caudal portion of the tumor attached firmly to the floor of the 4th ventricle and the complete removal of the mass, associated with a good long-term prognosis, was not feasible.