高血圧性小脳出血のCT像

Computed Tomography in Hypertensive Cerebellar Hemorrhage

I．はじめに

　computed tomography　（以下CTと略す）が出現する以前の小脳出血．に関する報告は．

　①その頻度は剖検脳では0.9-16％という^{2,3,5,15,19,24）}．

Fourteen cases of cerebellar hemorrhage were analysed from the point of CT-scan, and the following results were obtained.

1. The number of cases of cerebellar hemorrhage forms 4.4% of that of total intracranial hemorrhage.

2. Most of the cerebellar hematomas extend upward. Downward extension is rare.

3. In acute dead cases hematomas are 5 cm or more in diameter and lie over bilateral hemispheres with the extension to third or fourth ventricles in CT-scans

4. Slowly progressive cases are detriorated by the secondary hydrocephalus.