Exceptional multiplicity of cerebral arteriovenous malformations associated with hereditary hemorrhagic telangiectasia (Osler-Weber-Rendu syndrome)

Christopher M. Putman, John C. Chaloupka, Robert K. Fulbright, Issam A. Awad, Robert I. White, Pierre B. Fayad

Research output: Contribution to journalArticle

52 Scopus citations

Abstract

PURPOSE: To describe the clinical and imaging features of seven patients with hereditary hemorrhagic telangiectasia and an exceptional number of cerebral arteriovenous malformations (AVMs). METHODS: One hundred thirty-six patients from a dedicated hereditary hemorrhagic telangiectasia clinic were screened systematically for cerebral AVMs by means of MR imaging. Thirty one were found to have abnormalities suggestive of a vascular malformation. Eighteen of these 31 patients subsequently underwent diagnostic cerebral angiography. RESULTS: Of the 18 patients who had cerebral angiography, all were found to have at least one AVM and seven were found to have three or more AVMs. The number of cerebral AVMs detected ranged from three to nine. At angiography, the AVMs varied in size from 3 to 25 mm in maximal dimension and consisted of a poorly defined plexiform nidus that typically had a single arterial feeding pedicle and a single draining vein. The two largest AVMs (20 and 25-mm nidus, respectively) contained intranidal aneurysms. Treatment included embolization, surgical excision, or follow up management. CONCLUSIONS: Multiple cerebral AVMs are associated with hereditary hemorrhagic telangiectasia and further highlight the uniqueness of central nervous system involvement by this systemic angiodysplasia. MR imaging can underestimate the number and size of cerebral AVMs; therefore, catheter angiography is necessary to establish the extent of central nervous system involvement in this disorder.

Original languageEnglish (US)
Pages (from-to)1733-1742
Number of pages10
JournalAmerican Journal of Neuroradiology
Volume17
Issue number9
StatePublished - Oct 1996

Keywords

  • Arteriovenous malformations, cerebral
  • Telangiectasia

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Clinical Neurology

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