Related Experiment Video
Updated: Jul 31, 2026
Intraoperative Gastroscopy for Tumor Localization in Laparoscopic Surgery for Gastric Adenocarcinoma
Published on: August 9, 2016
Intraoperative localization of ectopic gastric mucosa in the nonduplicated intestinal lumen with technetium 99m
R C Bueno1, J M Hardman, W K Shim
11319 Punahou St, Suite 1000, Honolulu, HI 96826, USA.
Insights
Ectopic gastric mucosa in the small intestine can cause serious complications in children. Technetium 99m pertechnetate scanning effectively aids in locating this ectopic tissue in non-duplicated jejunal segments.
Area of Science:
- Pediatric Surgery
- Gastroenterology
- Diagnostic Imaging
Background:
- Ectopic gastric mucosa in Meckel's diverticula and intestinal duplications causes significant morbidity in children, primarily from bleeding and perforation.
- Intraoperative localization is straightforward when ectopic mucosa is within a duplicated segment or Meckel's diverticulum.
Observation:
- Identifying ectopic gastric mucosa in non-duplicated intestinal segments presents a surgical challenge.
- A case of ectopic gastric mucosa found in a non-duplicated jejunal segment is presented.
Findings:
- Technetium 99m pertechnetate scintigraphy proved effective for intraoperative localization of ectopic gastric mucosa in a non-duplicated jejunal segment.
- This imaging technique assists surgeons in precisely identifying the affected area for resection.
Implications:
- Utilizing technetium 99m pertechnetate scanning can improve surgical outcomes for children with ectopic gastric mucosa in unusual locations.
- This method offers a valuable tool for diagnosing and managing a rare cause of pediatric gastrointestinal bleeding.
Abstract:
The occurrence of ectopic gastric mucosa in Meckel's diverticula and duplications of the intestinal tract is a source of serious morbidity from bleeding and perforation in children. Intraoperative localization of the ectopic mucosa is aided by its occurrence in the duplicated intestinal segment or Meckel's diverticulum. However, its identification in the nonduplicated intestine poses problems for the surgeon faced with removal of the affected segment. The authors present a case of ectopic gastric mucosa in a nonduplicated jejunal segment and discuss the use of technetium 99m pertechnetate scanning in its localization.
