• P Strock, A Baroudi, C Laurin, A Mordi, A Sounni, M P Liebaert, J Lauroy, and E Fort.
• Service d'Hépato-Gastroentérologie, Châteauroux.
• Presse Med. 2001 Sep 8;30(25 Pt 1):1253-5.

ObjectiveInfarction of the greater omentum is a rare etiology of acute abdominal pain. The differential diagnosis, especially with appendicitis, is difficult to establish.Case ReportA 29 years-old male presented with acute abdominal pain. He underwent a laparoscopic resection on the 5th hospital day because of persistant pain despite conservative management. Histopathological examination confirmed the diagnosis of omental infarction.DiscussionPrimary segmental necrosis of the omentum is a rare entity. Obesity and cardiovascular diseases are considered predisposing conditions. The infarctions tend to occur in the right side of the omentum. Abdominal pain is predominant in opposition to the patient's good general condition. Laboratory results are usually nonspecific. Abdominal ultrasound may show a solid, ovoid, hyperechoic lesion. CT-scan may depict a fatty oval-shaped mass below the right anterolateral parietal wall associated with a thickening of the anterior parietal peritoneum.ConclusionThe correct diagnosis of omental infarction is important to establish preoperatively in acute abdominal pain, as in uneventful courses surgery can be avoided.

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