title: Heterotopic pancreas in the gastrointestinal tract.
abstract: Heterotopic pancreas is defined as pancreatic tissue found outside the usual anatomical location of the pancreas. It is often an incidental finding and can be found at different sites in the gastrointestinal tract. It may become clinically evident when complicated by pathological changes such as inflammation, bleeding, obstruction, and malignant transformation. In this report, a 60-year-old man with carcinoid syndrome caused by heterotopic pancreatic tissue in the duodenum is described, along with a 62-year-old man with abdominal pain caused by heterotopic pancreatic tissue in the gastric antrum. The difficulty of making an accurate diagnosis is highlighted. The patients remain healthy and symptom-free after follow-up of 1 year. Frozen sections may help in deciding the extent of resection intraoperatively. Although heterotopic pancreas is rare, it should be considered in the differential diagnosis of gastrointestinal stromal tumor.
authors: Department of Surgery, Shanghai 6th People's Hospital Affiliated to Shanghai Jiao Tong University, Shanghai, China.
authors: Zhou
authors: Z
authors: Yuan
authors: Jie
authors: J
authors: Chen
authors: Qi
authors: Q
authors: Zheng
authors: Xin-Yu
authors: XY
authors: Huang
authors: Zhe
authors: Z
authors: Yang
authors: Juan
authors: J
authors: Tang
mesh_terms: D002828:Choristoma / Q000175:diagnosis*; D004378:Duodenal Diseases / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010179:Pancreas; D013272:Stomach Diseases / Q000175:diagnosis*