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V041: FAR LATERAL CRANIOTOMY WITH CONDYLAR FOSSA DRILLING FOR CLIPPING OF RUPTURED PROXIMAL POSTERIOR INFERIOR CEREBELLAR ARTERY ANEURYSM
Satoshi Matsuo, MD, PhD; Kotaro Ono; Koki Mizukami; Koichi Fujimoto; Shintaro Nagaoka; Yoshio Suyama; Hidefuku Gi; Yukihide Kanemoto; Department of Neurosurgery, Baba Memorial Hospital

Proximal posterior inferior cerebellar artery (PICA) aneurysms exhibit complex morphology, limiting endovascular treatment indications; microsurgical clipping is sometimes crucial. Far lateral craniotomy with condylar fossa drilling and harvesting the occipital artery (OA) for OA–PICA anastomosis is considered effective. We report a case of a ruptured proximal PICA aneurysm successfully treated using this strategy. As endovascular techniques expand, maintaining microsurgical proficiency is essential for effective management of proximal PICA aneurysms. 

 

 

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