en Internal Medicine & Gastroenterology Internal Medicine & Gastroenterology case report case report <p> <strong>Abstract</strong></p><p> Fat necrosis secondary to pancreatitis can be either mild and self limited or create severe organ damage, but may rarely lead to abdominal opancreatic pseudotumor. We report a case of fat necrosis secondary to pancreatitis which clinically simulates transverse colon cancer.</p> Fat necrosis, Pancreatitis, Abdominal mass 215 217 http://mjiri.iums.ac.ir/browse.php?a_code=A-10-1-240&slc_lang=en&sid=1 A. Sadeghi amirsadeghi7651@yahoo.com 20031947532846002433 20031947532846002433 Yes Tehran University of Medical Sciences, Endoscopic ward, 1st floorImam Khomeini Hospital, Keshavarz Boulevard, Tehran, Iran H. Froutan 20031947532846002434 20031947532846002434 No Tehran University of Medical Sciences, Imam Khomeini Hospital,Tehran, Iran S. Mirmomen 20031947532846002435 20031947532846002435 No Imam Khomaini Hospital,Tehran, Iran