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Updated: Sep 28, 2026

Minimally Invasive Thumb-sized Pterional Craniotomy for Surgical Clip Ligation of Unruptured Anterior Circulation Aneurysms
Published on: August 11, 2015
The treatment of symptomatic unruptured aneurysms
1Department of Neurosurgery, Nagoya National Hospital, Nagoya, Japan.
Abstract:
The authors analysed 99 cases of symptomatic unruptured aneurysms amongst 427 cases which were collected from a multi-center study of Japanese national hospitals. There were 20 cases of giant aneurysms and 19 cases of posterior fossa aneurysms. Overall postoperative morbidity was 16%, and postoperative morbidity for giant aneurysms was 26%. The treatment of giant aneurysms and posterior fossa aneurysms proved to be very difficult according to our study.
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