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KMID : 0371320090770000017
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Journal of the Korean Surgical Society
2009 Volume.77 No. 0 p.17 ~ p.21
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Omental Actinomycosis Coexisting with Colon Cancer
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Suh Suk-Won
Kim Yong-Seok
Park Joong-Min
Kim Mi-Kyung
Park Yong-Gum
Chi Kyung-Chun
Lee Jung-Hyo
Lim Hyun-Muck
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Abstract
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Actinomycosis is a rare infection caused by Actinomyces species, normal commensal inhabitants of the human bronchial and gastrointestinal tract. Infection occurs after preceding mucosal break-down by variable causes. A preoperative diagnosis is difficult because of its nonspecific clinical features, mimicking malignancy, tuberculosis or other inflammatory diseases. We report a case of abdominal actinomycosis presenting as an omental mass, which coexists with ascending colon cancer. Actinomycosis was diagnosed by histopathologic demonstration of sulfur granules in a specimen resected by laparoscopic exploration. Following surgery, the patient was treated with IV penicillin (20 million IU/day) for 3 weeks, and follow-up colonoscopy showed adenocarcinoma in the ascending colon. The patient underwent right hemicolectomy, then treated with intravenous penicillin for 4 weeks postoperatively and oral penicillin for 6 months. The patient has been free of recurrence for 6 months.
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KEYWORD
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Actinomycosis, Omentum, Colon cancer
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