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Updated: May 21, 2026

An Orthotopic Sciatic Nerve Xenograft for Neurofibromatosis Type 1 Neurofibromas
Published on: October 10, 2025
Ruptured extracranial vertebral artery aneurysm associated with neurofibromatosis type 1. Case report
Hisaya Hiramatsu1, Shusuke Matsui, Shuhei Yamashita
1Department of Neurosurgery, Hamamatsu University School of Medicine, Japan. jzt00467@nifty.com
Abstract:
A 31-year-old man presented with a ruptured right extracranial vertebral artery aneurysm associated with neurofibromatosis type 1, manifesting as acute onset of right neck and shoulder pain, and right supraclavicular mass. Three-dimensional computed tomography angiography showed a large aneurysm involving the right extracranial vertebral artery associated with a pseudoaneurysm. The aneurysm was successfully treated by transarterial endovascular trapping with detachable coils. Extracranial vertebral artery aneurysm is rare, but the mortality of ruptured cases is extremely high, so early diagnosis and early treatment are important. The present case shows that endovascular treatment was very effective.
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