Cerebral AVM Embolization: Postoperative Bleeding Due to Draining Vein Occlusion – Part 1
A 48-year-old male presented with sudden onset of severe headache followed by drowsiness. CT scan revealed hemorrhage in the right peritrigonal region with intraventricular extension. Lobulated hyperdense mass with specks of calcification highly suggestive of dilated vascular channels was noted (Fig. 75.1a, b). DSA revealed arteriovenous malformation in right parieto-occipital region with feeders from right PCA and MCA and draining into straight and superior sagittal sinus. Multiple venous aneurysms were seen (Fig. 75.1c–e).