Figure 2From: Subarachnoid hemorrhage secondary to a ruptured middle cerebral aneurysm in a patient with osteogenesis imperfecta: a case report Preoperative cerebral digital subtraction angiography showing a right middle cerebral artery aneurysm (5Â mm in diameter). (A) Right internal carotid angiography in the anteroposterior direction. (B) Three-dimensional angiography.Back to article page