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Updated: Aug 12, 2026
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Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
Published on: September 25, 2009
Distal superior cerebellar artery aneurysm
1Department of Neurosurgery, Urayasu-Ichikawa Municipal Hospital, Chiba, Japan.
British Journal of Neurosurgery
|July 27, 2000
Summary
A rare superior cerebellar artery aneurysm was identified near the internal auditory canal. This finding was associated with underdeveloped ipsilateral cerebellar arteries, suggesting a potential link.
Area of Science:
- Neurology
- Vascular Surgery
- Radiology
Background:
- Cerebral aneurysms are a significant cause of cerebrovascular disease.
- Aneurysms of the superior cerebellar artery (SCA) are uncommon, particularly those arising from its distal branches.
Observation:
- A case presentation of a distal superior cerebellar artery aneurysm is detailed.
- Angiography revealed the aneurysm's location near the internal auditory canal, originating from the SCA's medial branch.
Findings:
- The aneurysm was associated with hypoplasia (underdevelopment) of the ipsilateral anterior inferior cerebellar artery (AICA) and posterior inferior cerebellar artery (PICA).
- This anatomical variation suggests a potential developmental or etiological relationship between the aneurysm and cerebellar artery hypoplasia.
Implications:
- Understanding these rare anatomical variations is crucial for accurate diagnosis and surgical planning.
- Further research may elucidate the pathogenesis of SCA aneurysms in the context of cerebellar vascular development.
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