Indeterminate Enterocolitis, Difficult to Differentiate from Ulcerative Colitis and Crohn's Disease, Report of a Case Kiyonori Kobayashi 1 , Tomoe Katsumata 1 , Masahiro Igarashi 1 , Shigeru Yoshizawa 1 , Miwa Sada 1 1Department of Gastroenterology, Kitasato University East Hospital Keyword: 分類困難腸炎 , 潰瘍性大腸炎 , Crohn病 , 鑑別診断 pp.210-216
Published Date 2001/2/25
DOI https://doi.org/10.11477/mf.1403103114
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 A 26-year-old male visited our hospital because of continuous soft stool. Barium enema and colonoscopic examinations showed multiple small ulcers and erosions with inflammatory mucosa diffused continuously from the sigmoid colon to the cecum. Histological findings of the biopsied specimens showed marked small round cells infiltrating in the mucosa and submucosa. In addition, cryptitis and crypt abscess were also seen. In the lower part of the ileum, multiple irregular-shaped shallow ulcers were seen by colonoscopic examination, and histological findings of the biopsied specimen showed epithelioid cell granulomas in the mucosa. Follow-up colonoscopic examinations showed multiple longitudinal ulcers in the colon and the ileum.

 We classify our case as indeterminate enterocolitis, because it was very difficult to differentiate it from ulcerative colitis and Crohn's disease.

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