Posterior inferior cerebellar artery with extracranial origin harboring an extracranial aneurysm

Abstract Background We report on a rare case of a saccular aneurysm on the TM segment of the right PICA. The aneurysm was located at the nonbifurcation region of the PICA. Case description The patient underwent a brain CT scan that revealed a diffuse SAH and an IVH in the fourth ventricle with obstr...

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Bibliographic Details
Published in:Surgical neurology 2007-01, Vol.68, p.S64-S67
Main Authors: Lin, Chun-Fu, MD, Hsu, Sanford P.C., MD, Chen, Ming-Teh, MD, PhD, Chen, Hsin-Hung, MD, Shih, Yang-Hsin, MD, Lee, Liang-Shong, MD, Chen, Min-Hsiung, MD, PhD
Format: Article
Language:English
Subjects:
Adult
Aneurysm
Biological and medical sciences
Cerebellum - blood supply
Cerebral Angiography
Cervical Atlas - pathology
Cervical Atlas - surgery
Clipping of aneurysms
Foramen Magnum - pathology
Foramen Magnum - surgery
Fourth Ventricle - pathology
Fourth Ventricle - physiopathology
Humans
Hydrocephalus - etiology
Hydrocephalus - physiopathology
Hydrocephalus - surgery
Intracranial Aneurysm - diagnostic imaging
Intracranial Aneurysm - pathology
Intracranial Aneurysm - surgery
Male
Medical sciences
Medulla Oblongata - anatomy & histology
Medulla Oblongata - blood supply
Neurology
Neurosurgery
Neurosurgical Procedures
Posterior inferior cerebellar artery
Spinal Canal - pathology
Spinal Canal - surgery
Subarachnoid Hemorrhage - diagnostic imaging
Subarachnoid Hemorrhage - pathology
Subarachnoid Hemorrhage - surgery
Subarachnoid Space - pathology
Subarachnoid Space - physiopathology
Surgery
Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
Tomography, X-Ray Computed
Treatment Outcome
Vascular Surgical Procedures
Vertebral Artery - abnormalities
Vertebral Artery - diagnostic imaging
Vertebral Artery - pathology
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Description
Summary:Abstract Background We report on a rare case of a saccular aneurysm on the TM segment of the right PICA. The aneurysm was located at the nonbifurcation region of the PICA. Case description The patient underwent a brain CT scan that revealed a diffuse SAH and an IVH in the fourth ventricle with obstructive hydrocephalus. After external ventricular drainage to relieve the hydrocephalus, the aneurysm was demonstrated by cerebral digital subtraction angiography. Conclusions The origin of the PICA aneurysm was extracranial and intradural, illustrating a rare location of such type of aneurysm.
ISSN:0090-3019
1879-3339
DOI:10.1016/j.surneu.2007.08.025