Persistent Primitive Hypoglossal Artery Aneurysms —Report of Two Cases—

Shigeru YAMAMOTO; Ichiro SUNADA; Yoshimi MATSUOKA; Akira HAKUBA; Shuro NISHIMURA

doi:10.2176/nmc.31.199

Persistent Primitive Hypoglossal Artery Aneurysms

—Report of Two Cases—

Shigeru YAMAMOTO, Ichiro SUNADA, Yoshimi MATSUOKA, Akira HAKUBA, Shuro NISHIMURA

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Keywords: intracranial aneurysm, primitive hypoglossal artery, subarachnoid hemorrhage, transcondylar approach, neck clipping

JOURNAL FREE ACCESS

1991 Volume 31 Issue 4 Pages 199-202

DOI https://doi.org/10.2176/nmc.31.199

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Abstract

The authors present two patients with subarachnoid hemorrhage caused by ruptured intracranial saccular aneurysms of the persistent primitive hypoglossal artery. A standard unilateral suboccipital approach in one patient resulted in incomplete neck clipping since the operative field was restricted by a protruding jugular tubercle. Successful aneurysmal neck clipping was achieved in the second patient via a unilateral-transcondylar-suboccipital approach with resection of the jugular tubercle and rim of the foramen magnum.

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