Spontaneous disappearance of intracranial arterio-venous malformations

4 cases of spontaneous disappearance of intracranial arteriovenous malformations are reported. All the malformations were in the rolandic-parietal area, and fed in most cases by the MCA. In one case, the malformation was associated with a proximal aneurysm. One malformation was large, one medium-siz...

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Bibliographic Details
Published in:Acta neurochirurgica 1985-03, Vol.76 (1-2), p.50-57
Main Authors: PASQUALIN, A, VIVENZA, C, ROSTA, L, SCIENZA, R, DA PIAN, R, COLANGELI, M
Format: Article
Language:English
Subjects:
Adolescent
Adult
Age Factors
Biological and medical sciences
Carotid Arteries - diagnostic imaging
Cerebral Angiography
Female
Humans
Intracranial Arteriovenous Malformations - complications
Intracranial Arteriovenous Malformations - diagnostic imaging
Intracranial Embolism and Thrombosis - complications
Intracranial Embolism and Thrombosis - diagnostic imaging
Male
Medical sciences
Middle Aged
Neurology
Remission, Spontaneous
Tomography, X-Ray Computed
Vascular diseases and vascular malformations of the nervous system
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Summary:4 cases of spontaneous disappearance of intracranial arteriovenous malformations are reported. All the malformations were in the rolandic-parietal area, and fed in most cases by the MCA. In one case, the malformation was associated with a proximal aneurysm. One malformation was large, one medium-sized, and two small. Venous drainage was towards the longitudinal sinus in all cases. Presenting symptoms consisted of epilepsy in 2 cases, and intracerebral haemorrhage in 2 cases. Disappearance of the AVM was documented by angiography from 1 to 15 years after diagnosis, and was preceded by a new haemorrhage in 2 cases. Acute or gradual thrombosis of the AVM is suggested as the most likely cause of the disappearance of an AVM. Spontaneous thrombosis of an AVM should be considered as an aspect of the pathological entity known as "thrombosed AVM". Guidelines for the management of patients exhibiting spontaneous disappearance of an AVM are briefly discussed.
ISSN:0001-6268
0942-0940
DOI:10.1007/bf01403829