J Korean Neurosurg Soc.
1993 Jan;22(1):133-138.
A Case Report of Giant Posterior Inferior Cerebellar Artery Aneurysm Simulating a Posterior Fossa Tumor
- Affiliations
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- 1Department of Neurosurgery, College of Medicine, Hallym University, Seoul, Korea.
Abstract
- A 24-year-old female patient presented with a midline extra-axial posterior fossa lesion. We failed to suspect this lesion could be a giant thrombosed aneurysm of PICA(posteior inferior cerebellar artery) preoperatively, and didn't perform preoperative angiogram even after rather typical finding of thrombosed giant aneurysm on MRI. We suggest a giant thrombosed aneurysm should be included in the differantial diagnosis of any round extra-axial mass lesion in the skull base.
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