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KMID : 0356720110270030114
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Journal of the Korean Society of Coloproctology
2011 Volume.27 No. 3 p.114 ~ p.121
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Clinical Characteristics of Primary Epiploic Appendagitis
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Choi Young-Un
Choi Pyong-Wha
Park Yong-Hwan
Kim Jae-Il
Heo Tae-Gil
Park Je-Hoon
Lee Myung-Soo
Kim Chul-Nam
Chang Surk-Hyo
Seo Jeong-Wook
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Abstract
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Purpose: Primary epiploic appendagitis (PEA) is a rare cause of an acute abdomen. It can be clinically misdiagnosed as either diverticulitis or appendicitis on clinical examination because the clinical symptoms and signs of PEA are non-specific. The present study was performed to describe the clinical characteristics of PEA and to assess the differences between PEA and diverticulitis.
Methods: We reviewed the clinical records and radiologic findings of 31 consecutive patients with PEA and compared them with those of patients with diverticulitis without complications.
Results: In most cases, abdominal pain was localized to the right (13 cases, 41.9%) or left (13 cases, 41.9%) lower quadrants. Gastrointestinal symptoms such as nausea and vomiting were infrequent, and localized tenderness without peritoneal irritation was common. All patients were afebrile, and only 4 patients (12.9%) showed leukocytosis. In all cases except one, a pericolic fatty mass with a hyperattenuated ring was observed on computed tomography. Patients with left PEA were younger than those with diverticulitis (41.4 ± 11.9 vs. 69.7 ± 13.3, P < 0.001), and the mean body mass index was higher in patients with left PEA (26.4 ± 2.9 vs. 22.6 ± 3.4, P = 0.01). Whereas one patient (6.7%) with left PEA showed leukocytosis, the incidence of leukocytosis in patients with diverticulitis was 80% (8/10) (P < 0.001).
Conclusion: In patients with an acute abdomen showing localized tenderness without associated symptoms or leukocytosis, a high index of suspicion for PEA is necessary. For correct diagnosis and proper management, it would useful for surgeons to be aware of the computed tomographic findings and the natural course of the disease.
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KEYWORD
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Epiploic appendagitis, Diverticulitis, Acute abdomen
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