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Neurological Surgery No Shinkei Geka Volume 29, Issue 2 （February 2001）

Neurological Surgery 脳神経外科 29巻2号（2001年2月発行）

Japanese English

症例

Persistent Primitive Hypoglossal Artery Aneurysmの1例 Persistent Primitive Hypoglossal Artery Aneurysm : case report 太田浩嗣 ¹ , 木下良正 ¹ , 橋本昌典 ¹ , 横田晃 ¹ , 草野涼 ² , 三島慶子 ² Hirotsugu OHTA ¹ , Yoshimasa KINOSHITA ¹ , Masanori HASHIMOTO ¹ , Akira YOKOTA ¹ , Suzushi KUSANO ² , Yoshiko MISHIMA ² ¹産業医科大学脳神経外科 ²産業医科大学放射線科 ¹Departments of Neurosurgery, School of Medicine, University of Occupational and Environmental Health ²Departments of Radiology, School of Medicine, University of Occupational and Environmental Health キーワード： 3D-CTA , MRI , Perspective 3 D-CTA , Persistent primitive hypoglossal artery aneurysm , Operative simulation Keyword: 3D-CTA , MRI , Perspective 3 D-CTA , Persistent primitive hypoglossal artery aneurysm , Operative simulation pp.157-162

発行日 2001年2月10日 Published Date 2001/2/10

DOI https://doi.org/10.11477/mf.1436902014

PDF(14634KB)

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Abstract 文献概要
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I．はじめに

　Persistent primitive hypoglossal artery（PHA）はBatujeffらが剖検例で初めて報告して以来^2），155例が報告されている^9）．そのなかで，脳動脈瘤との合併は40例余りで^9,19），PHA自体に脳動脈瘤が発生したものは現在までに13例しか報告されていない^{2-5,8-10,13,15-19）}．われわれは，頭痛と意識消失発作の精査で発見されたPHA aneurysmの1例を経験し，3D-CTA, perspective 3D-CTA（頭蓋外から病変を透視できるようにした再合成画像）およびMRI再構成画像が術前検討で有用であったため，文献的考察を含め報告する．

The aneurysm arising from a persistent primitive hypoglossal artery (PHA) is rare, and only 13 suchcases have been reported in literature.

We present a 62-year-old woman with an aneurysm of PHA at its junction with the basilar artery. Thepatient consulted our hospital for a transient loss of consciousness and headaches. No neurological deficitwas found, but MRI and MRA showed an aneurysm of the vertebrobasilar junction. Cerebral angiogramafter admission showed the aneurysm of PHA at its junction with the basilar artery. Perspective 3D-CTAand 3D-T2 weighted MR images were composed to simulate the condition and aneurysmal surgery via thetranscondylar approach was carried out. The aneurysm was successfully clipped and the patient was dis-charged with no neurological deficits.

Perspective 3 D-CTA and MRI simulation were very useful for this operation.