Case contributed by Utkarsh Kabra
Diagnosis almost certain



Patient Data

Age: 40 years
Gender: Male

Well defined lesion containing hemorrhage in chronic and subacute stages, measuring approx 17 x 16 x 17mm is seen in posterior aspect of midbrain on right side. Mild perilesional edema is seen. It is causing compression of aqueduct of sylvius, quadrigeminal cistern posteriorly, resulting in mild to moderate hydrocephalus and periventricular seepage.

Case Discussion

Findings are suggestive of midbrain cavernoma causing hydrocephalus.

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