Cristina Caterina AldeaScientific Coordinator: Professor Ioan Ştefan Florian MD, PhD
“Iuliu Haţieganu” University of Medicine and Pharmacy Cluj-Napoca
Non-neoplastic Vascular Malformations of the Brain
1. Arteriovenous Malformations (AVMs)2. Venous Angioma3. Cavernoma4. Capillary Teleangiectasia
5. Direct Fistula
( McCormick-1966 )
Arteriovenous Malformations
Arteriovenous Malformations
Patophysiology
Clinical presentation1. Hemorrhage - most common - 82% significant IP component - SAH, IVH
2. Seizures3. Mass effect ( increased ICP )4. Progressive Neurologic Deficit
7% of patients with AVMs present associated aneurysms
Imaging studies CT scan
CT angiography
MRI / angio - MRI
Cerebral angiography
Cavernomas= cavernous angioma, cavernous hemangioma
Clinical presentation Seizures
Progressive Neurological Deficit
Hemorrhage ( usually IP )
> 50 % asymptomatic
Imaging Studies
CT
MRI - hemosiderine ring ( “salt and pepper” appearance )
Angiography – “angiographically occult”
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