This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pathology
The most characteristic histological finding of acute rheumatic carditis is:(1989) 
Select and explain. 
A. Fibrinous pericarditis, B. Vegetations on mitral valve leaflets, C. Aschoff bodies in myocardium, D. Increased vascularity of the valves
C: Aschoff bodies in myocardium
Answer: C: Aschoff bodies in myocardium 
Explanation: Ans: c (Aschoff bodies in myocardium)Ref: Chandrasoma Taylor, 3rd ed, p. 347