Occult cerebral arteriovenous malformations.

نویسندگان

  • P Tsitsopoulos
  • J Andrew
  • M J Harrison
چکیده

Angiographically occult arteriovenous malformations in the brain are rare but cause considerable diagnostic difficulty. Four personal cases are presented in which CT scans showed hypodense lesions with minimal or no enhancement, and angiograms showed only an avascular mass. Gliomas, a dermoid and an infarct were suspected before histological examination of biopsies or excised specimens. The patients had presented in early adult life with epilepsy and focal deficits.

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منابع مشابه

Angiographically occult arteriovenous malformations of the brain.

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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Long term effects of Gamma knife Radiosurgery for treatment of cerebral arteriovenous malformations

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MR Imaging of Angiographically Occult Vascular Malformations

Eleven patients with 15 angiographically occult arteriovenous malformations were studied by magnetic resonance (MR) imaging and computed tomography (CT). Five patients had biopsy proof; six were clinically diagnosed from the long-term clinical follow-up (more than 3 years) and imaging features. Of the 15 lesions, 11 were recognized by both CT and MR. Each method was falsely negative for two les...

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Twenty-seven years follow-up of a patient with congenital retinocephalofacial vascular malformation syndrome and additional congenital malformations (Bonnet-Dechaume-Blanc syndrome or Wyburn-Mason syndrome)

PURPOSE Follow-up of vascular changes in a patient with congenital retinocephalofacial vascular malformation syndrome. METHODS MRI and cerebral angiography. RESULTS In a 36-year-old man, magnetic resonance imaging of the skull and cerebral angiography revealed left intracranial arteriovenous malformations. Follow-up observation of 27 years revealed no essential change of retinal and cerebra...

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عنوان ژورنال:
  • Journal of neurology, neurosurgery, and psychiatry

دوره 50 2  شماره 

صفحات  -

تاریخ انتشار 1987