Angiographically occult arteriovenous malformations of the brain

AUTOR(ES)

Bell, B. A.

RESUMO

Six patients with cerebral arteriovenous malformations which did not show any pathological circulation at angiography are described. Computed tomogram appearances of such lesions may be difficult to distinguish from tumours. The need for surgical exploration in localised high attenuation lesions of uncertain nature is stressed, and the literature is reviewed.

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