This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cellular Pathology, Subject name: Pathology
60 year old asymptomatic female shows following change in tunica media of blood vessels. Diagnosis? 
Select and explain. 
A. Medial calcification, B. Medial fibrosis, C. Amyloidosis, D. None
A: Medial calcification
Answer: A: Medial calcification 
Explanation: Ans. (a) Medial calcificationMedial artery calcification (MAC) is also known as Monckeberg's arteriosclerosis, is a nonobstructive condition leading to reduced arterial compliance that is commonly considered as a nonsignificant finding.With the H&E stain, calcium appear deep blue-purple.