Premature filling of veins is a manifestation in cerebral angiography of:
Diagnosis of AVM is made by conventional catheter cerebral angiography Diagnosis is based on demonstration of aeries and veins on the same conventional angiographic image, proving the high-flow shunting of blood (leading to early filling of veins) through the nidus network or fistulous vessels In the typical AVM, there is a cloudlike nidus, or network of smaller vessels, well seen on angiography Ref: Sabiston 20th edition Pgno: 1925
Trauma
Brain tumor
Aeriovenous malformation
Aerial occlusion
Head and neck