Association of cerebral arteriovenous malformation and cerebral aneurysm. Diagnosis and management

R. Deruty, C. Mottolese, J. F. Soustiel, I. Pelissou-Guyotat

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Between 1979 and 1989, 7 patients were admitted, with cerebral arteriovenous malformations (AVM) and associated aneurysms (7% of the AVM patients and 2% of the aneurysm patients admitted during the same period). 6 of these patients were admitted because of an intracranial haemorrhage (in 3 of them the AVM, angiographically occult, was discovered at surgery). The last patient was referred for seizures. Preoperatively it was supposed that the haemorrhage was related to the aneurysm in 3 cases, and to the AVM in 3 cases. But surgery allowed one to correct this supposition. Haemorrhage was due to AVM rupture in all 6 cases, and no aneurysm had ruptured. Overall three situations were demonstrated in this series: aneurysm and occult AVM (3 cases); AVM and independent aneurysm in the same area (2 cases); large AVM and aneurysm on a feeding artery (2 cases). All 6 patients admitted for haemorrhage were operated upon, at one operation in 5 of them. Both the malformations were excluded in these six patients. For the patient admitted for seizure, intra-vascular embolization of the AVM was performed, the aneurysm was not treated. The pathogenesis of the association AVM-aneurysm is discussed. In the authors' opinion, haemodynamic relationship should be considered in two cases (large AVM and aneurysm on a feeding vessel). For the other 5 cases, both the AVM and the coexisting aneurysm may be the end-result of a common congenital vascular malformation syndrome.

Original languageEnglish
Pages (from-to)133-139
Number of pages7
JournalActa Neurochirurgica
Issue number3-4
StatePublished - Sep 1990
Externally publishedYes


  • Cerebral aneurysm
  • association of aneurysm with AVM
  • cerebral arteriovenous malformation
  • occult vascular malformation


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