A myocardial infarct specimen is showing early granulation tissue. According to this change when has the infarct occurred?: (A) Less than 1 hour, (B) Within 24 hours, (C) Within 1 week, (D) Within 1 month
Answer is C. Following a myocardial infarction, early formation of fibrovascular granulation tissue at margins occur in 7-10 days.Ref: Robbins Pathologic Basis of Disease, 6th Edition, Page 558; Essentials of Rubin's Pathology By Emanuel Rubin, 5th Edition, Pages 277-8