
What is the most likely diagnosis in these scans?
- Parafalcine meningioma
 - Ruptured basilar tip aneurysm
 - Ruptured anterior communicating artery aneurysm
 - Hypertensive intracranial haemorrhage
 
Answer
Yes, it’s a ruptured anterior communicating artery aneurysm. There is acute blood along the falx & in the occipital horn of the left lateral ventricle, & a possible infarct in the anterior cerebral artery territory. The angiogram shows a saccular aneurysm.

