Aneurysm of anterior inferior cerebellar artery-posterior inferior cerebellar artery variant

Khursheed Ahmad Ansari, Girish Menon, Suresh Nair, Mathew Abraham

Asian Journal of Neurosurgery 2018 13(1):53-55

Aneurysms arising from anterior inferior cerebellar artery-posterior inferior cerebellar artery (AICA-PICA) variant are extremely rare. They usually present with subarachnoid hemorrhage. This is probably the second case report of a large thrombosed AICA-PICA variant aneurysm presenting as a cerebellopontine angle mass lesion with cranial nerve palsy, managed successfully by surgical clipping.

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