2025-11-272025-11-27http://hdl.handle.net/2263/106343Clinical history : A male patient 54 years old with headache and left-sided deafness had two episodes of collapse and falling to the left.Examination showed nystagmus and slight cyanosis.Autopsy findings : 1. Cardiomegaly and dilatation.2. Atherosclerosis grade 1-11 in aorta.3. Aneurysm of left vertebral artery with pressure effect on cerebellum.Diagnosis: Aneurysm of left vertebral artery with pressure effect on cerebellum