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Related Experiment Video

Updated: Jul 23, 2025

Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment

Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment

Published on: September 25, 2009

Multiple intracranial enlarging dissecting aneurysms: a case report.

Yingbin Li^1,2, Xiaoxin Bai^3,4,5, Huai Tu^1,2

¹Diagnosis and Treatment Center of Encephalopathy, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China.

|July 12, 2023

Summary

Multiple dissecting cerebral aneurysms are rare. This case highlights that some dissecting aneurysms can rapidly enlarge and rupture, even after initial treatment for cerebral ischemia.

Keywords:

Cerebral aneurysm Cerebral ischemia Dissecting aneurysm Endovascular treatment Subarachnoid hemorrhage

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Area of Science:

Neurology
Vascular Neurology
Neurosurgery

Background:

Multiple cerebral aneurysms are uncommon vascular malformations.
Dissecting aneurysms represent a specific subtype with unique pathological characteristics.

Observation:

A 47-year-old male presented with symptoms of cerebral infarction.
Imaging revealed a right middle cerebral artery (MCA) aneurysm and occlusion, which enlarged post-ischemia.
Subsequent subarachnoid re-hemorrhage occurred due to an enlarging posterior cerebral artery dissecting aneurysm.

Findings:

Endovascular treatment of the MCA aneurysm did not prevent further complications.
Rapid enlargement and rupture of a secondary dissecting aneurysm led to fatal re-hemorrhage.

Implications:

Dissecting aneurysms may exhibit rapid, aggressive growth and rupture potential.
Close monitoring and consideration of aggressive management strategies for dissecting aneurysms are crucial.