CASE HISTORY:
A 71-year-old patient with a history of hypertension suddenly suffers from severe headache and imbalance. Patient is comatose.


FINDINGS:
Unenhanced CCT-scan (i.e. without contrast administration).
Hyperdense (60-80HE) mass in the left cerebellar hemisphere with perifocal hyperdensity. Hyperdense collection in the entire ventricular system. Flattened gyri and sulci of the left cerebellar hemisphere. Hyperdensity of the corpus vitreum of the left eye in comparison to the right eye.


DIAGNOSIS:
Massive hypertensive hemorrhage of the left cerebellar hemisphere and perifocal edema.
Hemorrhage into the ventricle system.
Edema of especially the left cerebellar tonsils.
Intravitreal hemorrhage


DIFFERENTIAL DIAGNOSIS:
Brain tumors (glioblastoma, metastases)
Hemorrhagic infarction
Cerebral abscess