Embryogenesis of AVM

Enhanced brain CT at admission (axial MPR): right parieto-occipital hematoma

Pre-embolization DSA (frontal view) showing an early venous drainag

Post-embolization DSA (frontal view) showing complete angiographic obliteration

Unenhanced brain CT at admission (sagittal MPR): massive ventricular hemorrhage

Pre-embolisation DSA (oblique view) showing the nidus and the deep venous drainage