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Related Experiment Videos

Vanishing cerebral aneurysm in serial angiography

K Moritake, H Handa, S Ohtsuka

    Surgical Neurology
    |July 1, 1981
    PubMed
    Summary

    Spontaneous thrombosis of an internal carotid-posterior communicating artery aneurysm occurred in a 63-year-old woman. Vasospasm and narrow neck likely contributed to this rare event, documented via serial angiography after subarachnoid hemorrhage.

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    Area of Science:

    • Neurology
    • Vascular Surgery
    • Radiology

    Background:

    • Cerebral aneurysms, particularly internal carotid-posterior communicating artery aneurysms, pose significant risks.
    • Spontaneous thrombosis of cerebral aneurysms is a rare phenomenon.
    • Subarachnoid hemorrhage is a common complication of ruptured cerebral aneurysms.

    Observation:

    • A 63-year-old woman experienced subarachnoid hemorrhage due to an internal carotid-posterior communicating artery aneurysm.
    • Serial angiography revealed progressive, spontaneous thrombosis of the aneurysm over 29 days.
    • The aneurysm neck was noted to be relatively narrow.

    Findings:

    • The case documents angiographically proven spontaneous thrombosis of an internal carotid-posterior communicating artery aneurysm.
    • Vasospasm and a narrow aneurysmal neck are suggested as contributing factors.
    • The exact mechanism for spontaneous thrombosis remains multifactorial and not definitively established.

    Implications:

    • Understanding spontaneous thrombosis mechanisms can inform aneurysm management strategies.
    • This case highlights the potential for natural resolution in some aneurysms.
    • Further research into factors promoting aneurysm thrombosis is warranted for clinical application.

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