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Updated: Jan 29, 2026

Minimally Invasive Thumb-sized Pterional Craniotomy for Surgical Clip Ligation of Unruptured Anterior Circulation Aneurysms
Published on: August 11, 2015
Step-wise pterional combined epidural and subdural approach to clip large carotid-ophthalmic segment aneurysms
Peng Hu1, Hong-Qi Zhang2, Xing-Juan Li2
1XuanWu Hospital, Capital Medical University, 45 # Changchun Street, Xicheng District, Beijing, 100054, China. doctor_hupeng@163.com.
Background:
Microsurgical clipping of large ophthalmic-carotid artery (OA) aneurysms is technically challenging. Among the reported approaches, pterional combined epidural and subdural approach is one of the efficient choices.
Method:
We have applied this approach to treat a 33-year old female patient with a left large OA aneurysm. The step-wise technical details of this approach are reported.
Conclusion:
We show that it is a safe way to clip large OA aneurysms through a step-wise pterional combined epidural and subdural approach, which could make a clear anatomy and a confident manipulation.
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