Tigered effect in myocardium is due to: (A) Malignant change, (B) Fat deposition, (C) Seen in rheumatic fever, (D) Associated with myocarditis
Answer is B. .It is intracellular deposits of fat, which create grossly apparent bands of yellowed myocardium alterations with bands of darker, red-brown, uninvolved myocardium(tigeredeffect) It happens in Prolonged mod hypoxia and in Diptheretic myocarditis. Ramdas Nayak 2nd edition page no. 391