This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Most common cause of dissecting hematoma is because of - 
Select and explain. 
A. Hypertension, B. Marfan's, C. Iatrogenic, D. Kawasaki
A: Hypertension
Answer: A: Hypertension 
Explanation: More than 90% of dissections occur in men between the ages of 40 and 60 with antecedent hypertension.