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Related Experiment Videos

Arteriovenous malformation simulating a cyst on computed tomography.

D L Daniels, V M Haughton, A L Williams

    Radiology
    |November 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

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    Dynamic Angiography and Perfusion Imaging Using Flat Detector CT in the Angiography Suite: A Pilot Study in Patients with Acute Middle Cerebral Artery Occlusions.

    AJNR. American journal of neuroradiology·2015

    Intracerebral arteriovenous malformations (AVMs) can present with cystic components, often due to hemorrhage. Headaches may indicate this condition, prompting consideration of AVMs in low-attenuating CT findings.

    Area of Science:

    • Neurology
    • Radiology
    • Neurosurgery

    Background:

    • Intracerebral arteriovenous malformations (AVMs) are complex vascular anomalies.
    • Hemorrhage is a known complication of AVMs, potentially leading to secondary changes.

    Observation:

    • Three cases are presented where intracerebral AVMs were associated with cystic components.
    • Patients reported a history of headaches as a presenting symptom.

    Findings:

    • The cystic component in these cases is likely a sequela of prior hemorrhage.
    • Low-attenuating, nonenhancing lesions on computed tomography (CT) scans warrant consideration for AVM.

    Implications:

    • This association highlights the importance of recognizing cystic changes secondary to hemorrhage in AVM diagnosis.

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  • CT imaging findings suggestive of AVM should be carefully evaluated, especially in patients with headaches.