A case of anal canal squamous cell carcinoma detected with anal stenosis eight years following resection for rectal adenocarcinoma

Takashi Fukao, Tomoko Matsumoto, Shiho Kuriyama, Tomohiro Toji, Yutaka Hirano, Yasuyuki Ohtawa, Toshihiko Waku, Kazuhiro Washio

Research output: Contribution to journalArticle

Abstract

An 89-year-old woman underwent low anterior resection for rectal adenocarcinoma (Ra, pT3N0M0, pStage II, Cur A) in 2008. In February 2016, she underwent an outpatient examination because of a defecation disturbance. Lower gastrointestinal endoscopy was performed and the stenotic region was biopsied. However, no malignancy was detected and the stenotic site expanded. However, the patient experienced recurrence of the same symptoms, developed severe anal stenosis, and underwent another examination in December 2016. Magnetic resonance imaging indicated a neoplastic lesion around the entire circumference of the anal canal. Transperineal needle biopsy results indicated squamous cell carcinoma. The patient was diagnosed with postoperative rectal cancer and metachronous anal canal squamous cell carcinoma (P, cT4bN2M0, cStage III b). Laparoscopic artificial anus construction was performed with the aim of unblocking the anal canal stenosis. Considering the patient's age and performance status, radiation therapy was administered. Two months after administering radiation therapy, the tumor decreased in size, and anal pain reduced.

Original languageEnglish
Pages (from-to)63-65
Number of pages3
JournalJapanese Journal of Cancer and Chemotherapy
Volume45
Issue number1
Publication statusPublished - Jan 1 2018
Externally publishedYes

Keywords

  • Anal canal squamous cell carcinoma
  • Metachronous colorectal cancer
  • Rectal cancer

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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