Autopsy finding after 12hrs in a case of death due to M.I.:
Ans. is 'b' i.e. coagulation necrosis Here I am giving you a simplified version of the table given on Robbins, go through this you will get the answer.If you are interested in more details, you can see the table given in Robbins on page 558 6th/e RobbinsTimeGross FeaturesMicroscopic features12 hrs 12-24 hrs1 - 3 days 1-7 days 7-14 days >2 weeksNonePallorHyperemic red border Pale yellowRed purple border Grey white scarUsually none (wavy fibres) Coagulative necrosis Above+neutrophils Above+macrophages Above+granulation tissue Fibrosis
Myocardial Infraction
Caseous necrosis
Coagulative necrosis
Fat necrosis
Liquefactive necrosis
Coagulative necrosis