Diagnosis and treatment of a gastric hamartomatous inverted polyp: Report of a case

Masahiko Aoki; Masashi Yoshida; Yoshiro Saikawa; Yoshihide Otani; Tetsuro Kubota; Koichiro Kumai; Go Wakabayashi; Tai Omori; Makio Mukai; Masaki Kitajima

doi:10.1007/s00595-004-2761-1

Diagnosis and treatment of a gastric hamartomatous inverted polyp: Report of a case

Masahiko Aoki, Masashi Yoshida, Yoshiro Saikawa, Yoshihide Otani, Tetsuro Kubota, Koichiro Kumai, Go Wakabayashi, Tai Omori, Makio Mukai, Masaki Kitajima

Research output: Contribution to journal › Article › peer-review

30 Citations (Scopus)

Abstract

Gastric hamartomatous polyps are rare and difficult to diagnose. We report the case of a 43-year-old woman admitted to our hospital after an upper gastrointestinal series revealed a submucosal tumor. Upper gastrointestinal endoscopy showed a submucosal tumor (SMT), which was eroded with a depression on its surface, in the upper corpus. Endoscopic ultrasonography showed a heterogeneous tumor in the third layer. A laparoscopic wedge resection of the stomach allowed us to perform complete resection of the tumor, which measured 2.8 cm in diameter. The pathological diagnosis was a gastric hamartomatous inverted polyp. The postoperative course was uneventful. Only 27 cases of gastric hamartomatous polyps have been reported in Japan. Hamartomatous inverted polyps without a stalk are classified as the "SMT type" because the tumor is inverted into the submucosal layer, whereas polyps with a stalk are classified as the "polyp type." All of the polyps in past reports were resected endoscopically; however, laparoscopic wedge resection may be indicated for SMT-type hamartomatous inverted polyps larger than 2.0 cm in diameter.

Original language	English
Pages (from-to)	532-536
Number of pages	5
Journal	Surgery today
Volume	34
Issue number	6
DOIs	https://doi.org/10.1007/s00595-004-2761-1
Publication status	Published - 2004 Jun 18

Keywords

Gastric hamartomatous polyp
Hamartomatous inverted polyp
Laparoscopic wedge resection
Submucosal tumor

ASJC Scopus subject areas

Surgery

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10.1007/s00595-004-2761-1

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abstract = "Gastric hamartomatous polyps are rare and difficult to diagnose. We report the case of a 43-year-old woman admitted to our hospital after an upper gastrointestinal series revealed a submucosal tumor. Upper gastrointestinal endoscopy showed a submucosal tumor (SMT), which was eroded with a depression on its surface, in the upper corpus. Endoscopic ultrasonography showed a heterogeneous tumor in the third layer. A laparoscopic wedge resection of the stomach allowed us to perform complete resection of the tumor, which measured 2.8 cm in diameter. The pathological diagnosis was a gastric hamartomatous inverted polyp. The postoperative course was uneventful. Only 27 cases of gastric hamartomatous polyps have been reported in Japan. Hamartomatous inverted polyps without a stalk are classified as the {"}SMT type{"} because the tumor is inverted into the submucosal layer, whereas polyps with a stalk are classified as the {"}polyp type.{"} All of the polyps in past reports were resected endoscopically; however, laparoscopic wedge resection may be indicated for SMT-type hamartomatous inverted polyps larger than 2.0 cm in diameter.",

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AU - Aoki, Masahiko

AU - Yoshida, Masashi

AU - Saikawa, Yoshiro

AU - Otani, Yoshihide

AU - Kubota, Tetsuro

AU - Kumai, Koichiro

AU - Wakabayashi, Go

AU - Omori, Tai

AU - Mukai, Makio

AU - Kitajima, Masaki

PY - 2004/6/18

Y1 - 2004/6/18

N2 - Gastric hamartomatous polyps are rare and difficult to diagnose. We report the case of a 43-year-old woman admitted to our hospital after an upper gastrointestinal series revealed a submucosal tumor. Upper gastrointestinal endoscopy showed a submucosal tumor (SMT), which was eroded with a depression on its surface, in the upper corpus. Endoscopic ultrasonography showed a heterogeneous tumor in the third layer. A laparoscopic wedge resection of the stomach allowed us to perform complete resection of the tumor, which measured 2.8 cm in diameter. The pathological diagnosis was a gastric hamartomatous inverted polyp. The postoperative course was uneventful. Only 27 cases of gastric hamartomatous polyps have been reported in Japan. Hamartomatous inverted polyps without a stalk are classified as the "SMT type" because the tumor is inverted into the submucosal layer, whereas polyps with a stalk are classified as the "polyp type." All of the polyps in past reports were resected endoscopically; however, laparoscopic wedge resection may be indicated for SMT-type hamartomatous inverted polyps larger than 2.0 cm in diameter.

AB - Gastric hamartomatous polyps are rare and difficult to diagnose. We report the case of a 43-year-old woman admitted to our hospital after an upper gastrointestinal series revealed a submucosal tumor. Upper gastrointestinal endoscopy showed a submucosal tumor (SMT), which was eroded with a depression on its surface, in the upper corpus. Endoscopic ultrasonography showed a heterogeneous tumor in the third layer. A laparoscopic wedge resection of the stomach allowed us to perform complete resection of the tumor, which measured 2.8 cm in diameter. The pathological diagnosis was a gastric hamartomatous inverted polyp. The postoperative course was uneventful. Only 27 cases of gastric hamartomatous polyps have been reported in Japan. Hamartomatous inverted polyps without a stalk are classified as the "SMT type" because the tumor is inverted into the submucosal layer, whereas polyps with a stalk are classified as the "polyp type." All of the polyps in past reports were resected endoscopically; however, laparoscopic wedge resection may be indicated for SMT-type hamartomatous inverted polyps larger than 2.0 cm in diameter.

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Diagnosis and treatment of a gastric hamartomatous inverted polyp: Report of a case

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