Abstract
In October 1981, a 43-year-old man, who had undergone a partial gastrectomy with Billroth II reconstruction for duodenal ulcer 19 years before, came to our hospital with a sense of upper abdominal fullness. Roentgenogram and endoscopic examination revealed a protruded lesion on the large curvature of the anastomosis site. In January 1982, reoperation of the remnant stomach was performed. Macroscopically, the surgical specimen showed a massive, serpiginous, circumferential stomal polyp with prominent gastric areas on the surface at the anastomosis site. Microscopically, the stomal polyp showed hyperplasia of young foveolar epithelium, pseudopyloric-gland metaplasia and cystic dilatation of the gastric glands. These features were diagnosed as "Stomal polypoid hypertrophic gastritis (SPHG)" proposed by Koga et al. or "Gastritis cystica polyposa" (GCP) described by Littler et al. Arising in the SPHG on the large curvature, there was a well differentiated tubulal adenocarcinoma. The tumor, 2×2×3 cm in size, extended down to the deep proper muscle and was limited to the remnant stomach.
