EXOPHYTIC MALIGNANT BRAIN-STEM MIXED GLIOMA IN AN ADULT - A CASE-REPORT

Anaplastic mixed gliomas are rare tumors that occur mostly in the cere bral hemispheres. They have a distinctive histological appearance char acterized by the presence of two or more glial cellular constituents. The incidence of malignant mixed glioma of the brainstem and posterior fossa is extremely low. The authors report an unusual case of an exop hytic malignant mixed glioma. Following subtotal resection, the patien t received conventional radiotherapy, but continued to deteriorate, an d died five months after surgery. The extensive literature review focu ses on histopathology, clinical features, natural history, and possibl e treatment modalities of this unusual neoplasm.