壁外腫瘤型の回腸異所性胃粘膜症の2例

概要

論文の詳細を見る
Two cases of infants with heterotopic gastric mucosae in the ileum causing hematochezia were presented. Each of the infants showed a hot spot by preoperative 99m^Tc-pertechnetate scanning. Operations revealed that each of these cases had an extraluminal tumor on the antimesenteric side in the ileum, which consisted of only gastric mucosa of the fundal type with a small cavity and protruded into the ileal cavity. On microscopic examination of the serial sections, there were found a few communicating channels between the cavity in the tumor and gastric mucosa bulging into the ileum and ulcer causing hematochezia around the gastric mucosa in the ileum. These tumors are considered to be the "extraluminal type" of congenital gastric heterotopia. Since the lesions of both cases were in the vicinity of the omphalomesenteric remnant, it seems very likely that the vestige of the omphalomesenteric remnant might be responsible for the develoment of gastric heterotopia in the ileum.
日本小児外科学会の論文
1980-06-20