Japanese

Filiform Polyposis : Inflammatory Polyposis in Ulcerative Colitis, Report of Rare Case Yasuo Suzuki 1,2 , Keitarou Nakao 2 , Etuo Hishikawa 2 , Teruo Kouzu 2 , Yasushi Saito 1 1The Second Department of Internal Medicine, School of Medicine, Chiba University 2The Department of Endoscopic Diagnostics and Therapeutics, School of Medicine, Chiba University Keyword: filiform polyposis , 潰瘍性大腸炎 , 炎症性ポリポーシス , 炎症性腸疾患 , villous adenoma pp.585-590
Published Date 2001/3/25
DOI https://doi.org/10.11477/mf.1403103197
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 Inflammatory polyposis is a frequent sequela of ulcerative colitis, but filiform polyposis (FP) is a rare form of inflammatory polyposis which complicates inflammatory bowel disease. FP is characterized by the presence of numerous, densely packed, filiform polyps in the colon, which may mimic villous adenoma or adenocarcinoma in its radiographic and endoscopic picture.

 We report a patient of massive polyposis forming a labyrinthian structure occurring at the splenic flexure in a 35-year-old Japanese man with a 5-year history of ulcerative colitis, in whom total proctocolectomy and ileostomy was performed because of obstruction by stricture formation and hemorrhage in spite of medication. Pathological findings revealed that the polyposis was characterized by long, finger-like inflammatory polyps which had a central core of submucosa, containing vessels and smooth muscle fibers, infiltrated by chronic inflammatory cells without neoplastic change. Judging by macroscopic and microscopic findings we concluded this patient to be a rare case of ulcerative colitis accompanied with FP. We also review the literature regarding FP.


Copyright © 2001, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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