Acute epiploic appendagitis: CT findings in 33 cases |
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Authors: | Rivka Zissin Marjorie Hertz Alexandra Osadchy Eugene Kots Myra Shapiro-Feinberg Haim Paran |
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Affiliation: | (1) Department of Diagnostic Imaging, Sapir Medical Center, Kfar Saba, 44281, Israel,;(2) Department of Diagnostic Imaging, Chaim Sheba Medical Center, Tel Hashomer, Tel Aviv, Israel,;(3) Department of Surgery "A", Sapir Medical Center, Kfar Saba, Israel, |
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Abstract: | Acute epiploic appendagitis (AEA) is a benign self-limiting process presenting with acute abdominal pain often misdiagnosed clinically as either diverticulitis or appendicitis, but which has a pathognomonic CT appearance. The CT findings in 33 adult patients diagnosed by CT over a 33-month period as having AEA were retrospectively reviewed. The study group included 24 men and 9 women, with a mean age of 44.6 years. The mean age of the male patients was lower than that of the female patients, 40.9 vs 54.7 years. All patients presented with acute abdominal pain, mainly in the left (n=21) and right (n=9) lower quadrants, with localized tenderness in all patients and peritoneal irritation in 15 of them. Low-grade fever was found in 8 patients and mild leukocytosis in 16. Characteristic CT findings of an oval fatty mass with central streaky densities and surrounded by mesenteric stranding adjacent to the serosal surface of the colon were seen in all cases. Additional findings included mural thickening of the juxtaposed colon in 16 patients and peritoneal fluid in 7. One patient underwent surgery on the basis of an erroneous diagnosis of acute appendicitis. As CT is often used nowadays to evaluate various acute abdominal complaints, it may be the first imaging modality by which AEA is diagnosed. AEA should be included in the differential diagnosis in young male patients with localized left lower abdominal pain and tenderness. Electronic Publication |
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Keywords: | Epiploic appendagitis acute Computed tomography (CT) Acute abdomen |
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