Clinical Information: 65 year old male presented with dizziness and vomiting. The CT scan of the head showed a large central cerebellar hematoma with minimal surrounding vaso- genic edema. A craniotomy was performed and the lesion was excised.
What is your diagnosis?
Discussion and answer
Diagnosis: Left cerebellar lesion: Arteriovenous malformation.
There are fragments of cerebellar tissue showing loss of Purkinje cells and Bergman gliosis and in the arachnoids especially large blood vessels of varying diameter. There are vein and arterial structures. Further arterialized veins are seen. No sign of malignancy.