Giant distal pica aneurysm with mass effect in the posterior fossa

Year 1998, Volume: 11 Issue: 2, 107 - 112, 01.03.1998

M.Z. Berkman Ş. Uluer T. Derinkök

Abstract

Giant intracranial aneurysms are not uncommon, accounting for about 5% of all intracranial aneurysms, however, giant aneurysms of the posterior inferior cerebellar artery (PICA) are quite rare. PICA aneurysms, comprise 0,5-3% of all aneurysms. Distal PICA aneurysms constitute 15% of them. Rarely, they manifest the clinical signs of a posterior fossa mass lesion.

The authors present a case of giant PICA aneurysm. It was successfuly excised without any neurological deficit.

Keywords

Giant aneurysm, Posterior inferior cerebellar artery, Mass lesion

References

• Azzam CJ. Growth of multiple peripheral high flow aneurysms of the posterior inferior cerebellar artery associated with a cerebellar arterionenous malformation, neurosurgery 1987;21:934-939.