A case of giant gastric hyperplastic polyp developing after endoscopic mucosectomy for early gastric cancer

Hiroyuki Imaeda, Yasushi Iwao, Yoshikazu Tsuzuki, Shingo Miyaguchi, Atsubumi Nagata, Ichiro Takeuchi, Kiyotaka Kamegaya, Kazuo Nomoto, Mamoru Nishizawa, Yasuo Ohkura, Tozo Hosoi, Kensuke Kobayashi, Tetsu Watanabe

研究成果: Article査読

5 被引用数 (Scopus)

抄録

We report a patient with giant Yamada (Y)-3 type gastric hyperplastic polyp developing after endoscopic mucosectomy for early gastric cancer. Sixty two year old man was admitted to our hospital due to endoscopic mucosectomy for early gastric cancer (type IIc+IIa) in the antrum. The removed lesion revealed histologically as well differentiated tubullar adenocarcinoma confined to the mucosa. Follow-up endoscopy about 10 months after mucosectomy showed a polypoid lesion in the resected site, which was identified histologically hyperplastic polyp. The polyp had grown up to Y-3 type, sized about 25mm in diameter, so it was resected by endoscopic polypectomy. A case of gastric hyperplastic polyp developing after endoscopic mucosectomy for early gastric cancer has been rarely reported in Japan. The mechanism was still unknown, but was thought that excessive regeneration of epithelium was promoted by formation of ulcer after endoscopic mucosectomy, administration of H2-receptor antagonist and mechanical stimulation by increased peristalsis.

本文言語English
ページ(範囲)2853-2857
ページ数5
ジャーナルGASTROENTEROLOGICAL ENDOSCOPY
38
12
出版ステータスPublished - 1996 12

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Gastroenterology

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