A Case of Remnant Gastric Hamartomatous Inverted Polyp with Rapid Morphological Change Resected by Laparoscopic Endoscopic Cooperative Surgery

DOI Web Site 36 References
  • To Kazuo
    Department of Digestive Surgery, National Hospital Organization, Ureshino Medical Center
  • Shiraishi Toshio
    Department of Digestive Surgery, National Hospital Organization, Ureshino Medical Center
  • Otsubo Kazuhiro
    Department of Digestive Surgery, National Hospital Organization, Ureshino Medical Center
  • Katayama Hiroki
    Department of Digestive Surgery, National Hospital Organization, Ureshino Medical Center
  • Oishi Kaidou
    Department of Digestive Surgery, National Hospital Organization, Ureshino Medical Center
  • Tanoue Yukinori
    Department of Digestive Surgery, National Hospital Organization, Ureshino Medical Center
  • Takamura Yuma
    Department of Digestive Surgery, National Hospital Organization, Ureshino Medical Center
  • Wada Hideo
    Department of Digestive Surgery, National Hospital Organization, Ureshino Medical Center
  • Yamaguchi Daisuke
    Department of Gastroenterology, National Hospital Organization, Ureshino Medical Center
  • Naito Shinji
    Department of Pathology, National Hospital Organization, Ureshino Medical Center

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Other Title
  • 腹腔鏡内視鏡合同手術で切除しえた短期間で形態が変化した残胃hamartomatous inverted polypの1例

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Abstract

<p>A 64-year-old man was admitted to our hospital with a chief complaint of tarry stools. He had a history of distal gastrectomy for duodenal ulcer 40 years ago. Emergency upper endoscopy was performed due to suspicion of bloody contents in the remnant stomach on CT, and a raised lesion was found on the anterior wall of the lesser curvature of the remaining stomach. Bleeding from the ulcer at the apex was observed, and hemostasis was performed by soft coagulation. Later endoscopic US showed that the lesion was a submucosal tumor with inner hypoechoic areas, which was difficult to differentiate from a gastrointestinal stromal tumor or leiomyoma. Because the tumor was unstable, endoscopic fine needle aspiration cytology was not performed. The tumor was resected by laparoscopic endoscopic cooperative surgery (LECS) about 8 months after the initial diagnosis. The pathological findings revealed cystic dilated glands with no atypia proliferated under the mucosa, and the tumor was diagnosed as a hamartomatous inverted polyp (HIP). We report this case as an example of HIP in a remnant stomach that was discovered after hemorrhage and resected by LECS.</p>

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