<prompt> 60 year old asymptomatic female shows following change in tunica media of blood vessels. Diagnosis?Medial calcificationMedial fibrosisAmyloidosisNone  <response>: Ans. a Medial calcificationMedial artery calcification MAC is also known as Monckebergs arteriosclerosis, is a nonobstructive condition leading to reduced arterial compliance that is commonly considered as a nonsignificant finding.With the HE stain, calcium appear deep blue-purple. 