대한대장항문학회

저자들은 내원 약 2주전부터 발생한 우측 제주위동통으로 내원하여 이학적 검사상 우측 제주위부 압<br>통과 종괴, 그리고 복부초음파촬영 소견등으로 충수주위농양을 의심하고 응급수술을 시행하였으나, 횡<br>행결장의 종괴가 확인되었고 악성종양을 배제하기 어려워 광범위 우측 결장반절제술을 시행한 결과 조<br>직검사상 대망의 방선균증으로 진단된 1예를 체험하였기에 보고하는 바이다.<br><br>Actinomycosis is a chronic suppurative bacterial infection produced by Actinomyces israeli.<br>The three major clinical presentation include the cervicofacial, thoracic, and abdominal<br>regions. Abdominal actinomycosis is a rare entity which presents some difficulty in<br>establishing a correct preoperative diagnosis. The diagnosis is usually based on histologic<br>demonstration of sulfur granules in pus or surgically resected specimen. Recently, authors<br>experienced a case of actinomycosis of the greater omentum in 38-years old woman. The<br>patient underwent surgery under the impression of periappendiceal abscess. A 6cm sized firm<br>mass was noted in the transverse colon. Histologically the mass was composed of<br>fibroinflammatory mass with multiple actinomycosis granules.<br>