Which of the following statements about omental infarction are true?
A. Patients usually present with fever and lassitudeInterruption of the blood supply to the omentum is a rare cause of symptoms of an acute abdomen. Depending on the location of the infracted tissue, symptoms may mimic acute appendicitis, acute cholecystitis, acute diverticulitis, or perforated ulcer. The diagnosis is usually inferred from abdominal CT scan which shows a localized inflammatory-appearing mass of the omentum. Surgical resection can hasten recovery, but clinically stable patients can be managed conservatively.