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Peer-reviewedCC BY-NC-NDInternal Medicine

Colonoscopic Intubation of the Appendix Through a Patulous Appendiceal Orifice in Ulcerative Colitis

  • Arina Shigehara
  • Shinya Sugimoto
  • Takanori Kanai
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Abstract

A 37-year-old woman with a 17-year history of left-sided ulcerative colitis was in remission on 5-aminosalicylic acid monotherapy after treatment with corticosteroids and azathioprine.Owing to previous insertion difficulty, she underwent surveillance colonoscopy using an ultrathin colonoscope (PCF-PQ260 L; Olympus, Tokyo, Japan; 9.2 mm in diameter).Although remission was confirmed throughout the colorectum, the scope was inadvertently advanced through a dilated appendiceal orifice into the appendiceal lumen (Picture A, B).Computed tomography revealed no appendiceal tumor (Picture C).A retrospective review revealed that periappendiceal inflammation had been present seven years earlier

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Cite

BibTeXRIS
BibTeX
@article{shigehara2026colonoscopic,
  title = {{Colonoscopic Intubation of the Appendix Through a Patulous Appendiceal Orifice in Ulcerative Colitis}},
  author = {Arina Shigehara and Shinya Sugimoto and Takanori Kanai},
  journal = {Internal Medicine},
  year = {2026},
  month = sep,
  doi = {10.2169/internalmedicine.8147-26},
  url = {https://www.jstage.jst.go.jp/article/internalmedicine/advpub/0/advpub_8147-26/_article},
  note = {CC BY-NC-ND},
}
RIS
TY  - JOUR
TI  - Colonoscopic Intubation of the Appendix Through a Patulous Appendiceal Orifice in Ulcerative Colitis
AU  - Arina Shigehara
AU  - Shinya Sugimoto
AU  - Takanori Kanai
PY  - 2026
DA  - 2026/09/29
JO  - Internal Medicine
DO  - 10.2169/internalmedicine.8147-26
UR  - https://www.jstage.jst.go.jp/article/internalmedicine/advpub/0/advpub_8147-26/_article
AB  - A 37-year-old woman with a 17-year history of left-sided ulcerative colitis was in remission on 5-aminosalicylic acid monotherapy after treatment with corticosteroids and azathioprine.Owing to previous insertion difficulty, she underwent surveillance colonoscopy using an ultrathin colonoscope (PCF-PQ260 L; Olympus, Tokyo, Japan; 9.2 mm in diameter).Although remission was confirmed throughout the colorectum, the scope was inadvertently advanced through a dilated appendiceal orifice into the appendiceal lumen (Picture A, B).Computed tomography revealed no appendiceal tumor (Picture C).A retrospective review revealed that periappendiceal inflammation had been present seven years earlier
SN  - 1349-7235
SN  - 0918-2918
ER  -