Diagnosis and treatment of a gastric hamartomatous inverted polyp: report of a case.
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.
Aoki
Masahiko
M
Department of Surgery, Keio University School of Medicine, 35 Shinano-machi, Shinjuku-ku, Tokyo 160-8582, Japan.
Yoshida
Masashi
M
Saikawa
Yoshiro
Y
Otani
Yoshihide
Y
Kubota
Tetsuro
T
Kumai
Koichiro
K
Wakabayashi
Go
G
Omori
Tai
T
Mukai
Makio
M
Kitajima
Masaki
M
D000328:Adult; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis / Q000601:surgery*; D006222:Hamartoma / Q000175:diagnosis / Q000601:surgery*; D006801:Humans; D010535:Laparoscopy / Q000379:methods*; D011127:Polyps / Q000175:diagnosis / Q000601:surgery*; D013274:Stomach Neoplasms / Q000175:diagnosis / Q000601:surgery*