<prompt> Fat necrosis is common in:OmentumBreastRetroperitoneal fatAll of the above  <response>: Ans. d AllRef Robbins 9thpg 43; 8thpg 15,16. Fat necrosis. Not a specific pattern of necrosis.Q. Signifies focal areas of fat destruction. Released lipases split the triglyceride esters contained within fat cells.. The fatty acids, so derived, combine with calcium to produce grossly visible chalky- white areas fat saponificationQ. Seen in acute pancreatitis, breast, omentumQ 