Metachronous tubulovillous and tubular adenomas of the anal canal

  title={Metachronous tubulovillous and tubular adenomas of the anal canal},
  author={Hiroaki Nozawa and Soichiro Ishihara and Teppei Morikawa and Junichiro Tanaka and Koji Yasuda and Kensuke Ohtani and Takeshi Nishikawa and Toshiaki Tanaka and Tomomichi Kiyomatsu and Kazushige Kawai and Keisuke Hata and Shinsuke Kazama and Hironori Yamaguchi and Eiji Sunami and Joji Kitayama and Masashi Fukayama and Toshiaki Watanabe},
  booktitle={Diagnostic Pathology},
Anal canal adenoma is an extremely rare disease that has the potential to transform into a malignant tumor. We herein presented a rare case of metachronous multiple adenomas of the anal canal. A 48-year-old woman underwent total colonoscopy following a positive fecal blood test. A 9-mm villous polyp arising from the posterior wall of the anal canal was removed by snare polypectomy. Histologically, the tumor was tubulovillous adenoma with high-grade dysplasia and the cut end was negative for… CONTINUE READING
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