Pelvic Actinomycosis Confirmed from IUD History and Barium Enema Findings, Report of a Case Motohisa Tada 1 , Tadao Taguchi 1 , Haruhiko Nose 1 , Yasutaka Kato 1 , Taketsugu Tanaka 1 1Department of Internal Medicine, Chiba Rosai Hospital Keyword: 子宮内避妊具 , 骨盤放線菌症 , 腸管病変 , 鑑別診断 pp.1327-1332
Published Date 2001/9/25
DOI https://doi.org/10.11477/mf.1403103333
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 A 57-year-old woman underwent surgery for a suspected ovarian tumor. There was a large mass, which included the ovary, sigmoid colon, and mesentery, and which bled easily. However, intraoperative histological examination of a needle biopsy specimen showed no evidence of malignancy, so the operation was suspended.

 Barium enema showed a long, circumferential stenosis of the sigmoid colon with a sawtooth margin. The patient had used an IUD previously. From these findings, we suspected that the large mass was caused by pelvic actinomycosis. The diagnosis was confirmed by CT and MRI findings and by the fact that penicillin was very effective, although drusen was not demonstrated on histological examination.

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