Introduction: Gliosarcoma is a rare central nervous system tumor and shows genetic, clinical, and prognostic similarities Glioblastoma multiforme. It presents with progressive neurological deficits such as increased intracranial pressure, seizures, and hemiparesis.

Case Report: We report an 81-year-old female patient was consulted from internal medicine clinic with severe headache and weakness on her right side.

Conclusion: Gliosarcoma may be accompanied by intra-tumor bleeding. It is not possible to predict when the bleeding would occur. Hematoma may mask tumoral lesion.

Keywords: Intracranial tumor, gliosarcoma, intratumoral hemorrhage