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
Onion skin lesion in vessels is seen in ? 
Select and explain. 
A. Malignant hypeension, B. Benign hypeension, C. Peripheral vascular disease, D. None
A: Malignant hypeension
Answer: A: Malignant hypeension 
Explanation: Ans. is 'a' i.e., Malignant hypeensionIn malignant hypeension, there is concentric laminated thickening of aeriolar wall, onion skinning.