Objective: To investigate apoptosis in vascular smooth muscle cells (VSMCs) and caspase-3 expression in ruptured intracranial aneurysm.
Methods: Tissue samples of 15 ruptured intracranial aneurysms, 6 abdominal aortic aneurysms (AAA) and 6 normal vessels were evaluated. Apoptosis in VSMCs was determined on transmission electron microscopy.