Subarachnoid Hemorrhage and Intracranial Aneurysms
Aneurysms develop at sites of developmental defects in the media and elastica of the cerebral arteries. Often they are multiloculated and sometimes, multiple. These are called berry aneurysms. They are usually located at bifurcations and branching of the vessels. Approximately 90% of the aneurysms are located on the anterior part of the circle of Willis.…