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Journal of Korean Neurosurgical Society 1993;22(1): 133-138. |
| A Case Report of Giant Posterior Inferior Cerebellar Artery Aneurysm Simulating a Posterior Fossa Tumor. |
| Dong Ik Shin, Young Cho Koh, Maeng Ki Cho, Do Yun Hwang |
| Department of Neurosurgery, College of Medicine, Hallym University, Seoul, Korea. |
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| ABSTRACT |
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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. |
| Key Words:
Skull base lesion; Extraaxial mass; Thrombosed giant aneurysm; PICA |
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