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Iatrogenic Rupture of a Cerebral Aneurysm on the Feeding Artery of an Arteriovenous Malformation

We present the case of a patient with acute onset of headache who showed a flow-related acutely ruptured aneurysm on the feeding artery of an AVM in the angiogram. Rerupture of the aneurysm occurred during angiography after endovascular treatment with a Guglielmi detachable coil. The possible mechanisms leading to rupture of the aneurysm are discussed.