title: A case report of duodenal carcinoid tumor associated with early gastric cancer.
abstract: A rare case of carcinoid tumor in the duodenal bulb associated with early gastric carcinoma is reported. An 85-year-old asymptomatic male was admitted to our hospital, referred by his neighboring doctor because of early gastric carcinoma shown by endoscopic examination. X-ray studies of the upper gastrointestinal tract showed irregular lesser curvature of the gastric antrum and a filling defect (phi1 cm) at the duodenal bulb. Gastric biopsy revealed the histological findings of Group V. Distal gastrectomy including the duodenal bulb with D2 lymph node dissection was performed. A resected specimens showed superficial depressed type carcinoma at the lesser curvature of the antrum, and an isolated submucosal tumor of 7x7 mm in size at the duodenal bulb. Histological examination disclosed papillary adenocarcinoma in the gastric mucosa and a carcinoid tumor of the duodenal bulb in the submucosal layer without high malignant findings. The patient has been well for 5 years since the surgery. In conclusion, we discussed 46 collected cases of carcinoid tumor of the duodenum associated with gastric carcinoma in Japan. Preoperative diagnosis of carcinoid tumor of the duodenum is very difficult, and thorough examinations are needed for submucosal lesion.
authors.affiliation: Surgery for Organ Function and Biological Regulation, Nippon Medical School, Graduate School of Medicine. surg.1@d8.dion.ne.jp
authors.forename: Youichi
authors.initials: Y
authors.lastname: Kawano
authors.forename: Takashi
authors.initials: T
authors.lastname: Tajiri
authors.forename: Koho
authors.initials: K
authors.lastname: Akimaru
authors.forename: Akira
authors.initials: A
authors.lastname: Tokunaga
authors.forename: Eiji
authors.initials: E
authors.lastname: Uchida
authors.forename: Toshiro
authors.initials: T
authors.lastname: Yoshiyuki
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Yoshida
authors.forename: Yasuhiro
authors.initials: Y
authors.lastname: Mamada
authors.forename: Nobuhiko
authors.initials: N
authors.lastname: Taniai
authors.forename: Seiichi
authors.initials: S
authors.lastname: Shinji
authors.forename: Zenya
authors.initials: Z
authors.lastname: Naito
mesh_terms: D000231:Adenocarcinoma, Papillary / Q000473:pathology / Q000601:surgery*; D000368:Aged; D000369:Aged, 80 and over; D002276:Carcinoid Tumor / Q000473:pathology / Q000601:surgery*; D004379:Duodenal Neoplasms / Q000473:pathology / Q000601:surgery*; D004386:Duodenum / Q000601:surgery; D005743:Gastrectomy; D006801:Humans; D008197:Lymph Node Excision; D008297:Male; D009378:Neoplasms, Multiple Primary / Q000473:pathology / Q000601:surgery*; D013274:Stomach Neoplasms / Q000473:pathology / Q000601:surgery*; D016896:Treatment Outcome