ISSN:
0942-0940
Keywords:
Arteriovenous malformation
;
cyst
;
CT scan
;
pseudoaneurysm
Source:
Springer Online Journal Archives 1860-2000
Topics:
Medicine
Notes:
Summary The authors report on a rare case of arteriovenous malformation (AVM) associated with cyst formation. Only five similar cases have been reported. CT findings of the cyst are divided into two types: 1) slit-like low density and 2) round one. Three patients showing slit-like cysts had experienced sudden severe headaches, probably due to haemorrhage. In contrast, two patients showing round cystic lesions had not experienced such sudden headaches and they revealed a nodule in the cyst at surgery. These facts suggest that there may be two different mechanisms for cyst formation in AVM's: haemorrhage and exudation. Slit-like cysts may result from old haemorrhage from the AVM nidus. Round cystic lesions may be due to exudation from the AVM nidus.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01456176
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