{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,25]],"date-time":"2025-09-25T17:07:22Z","timestamp":1758820042169,"version":"3.41.2"},"reference-count":23,"publisher":"American Academy of Pediatrics (AAP)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,4,1]]},"abstract":"<jats:p>Heterotopic gastric mucosa (HGM) is defined as the presence of gastric mucosa outside of the stomach, which is documented by histologic finding. HGM is typically a solitary lesion; however, in our Case Report, the patient presented with multilocus HGM, an uncommon form in which the small bowel is extensively involved. We report a unique case of multilocus HGM mimicking very early\u2013onset inflammatory bowel disease with recurrent gastrointestinal bleeding, chronic inflammation, and stricturing in a newborn patient. Histologic findings from the ileocecal specimen revealed multiple ulcers surrounded by chronic inflammation. Subsequently, a Technetium-99m pertechnetate scan demonstrated an increased tracer uptake in the remaining ileum. This radiologic finding, in combination with the discovery of gastric mucosa within the remainder of resected ileal specimen, led to the diagnosis of HGM. Omeprazole was initiated, and the patient is now asymptomatic without further gastrointestinal bleeding. Increased awareness of this rare disease and performing a Technetium-99m pertechnetate early can correctly diagnose HGM and prevent disease complication.<\/jats:p>","DOI":"10.1542\/peds.2018-2398","type":"journal-article","created":{"date-parts":[[2019,3,21]],"date-time":"2019-03-21T12:25:54Z","timestamp":1553171154000},"source":"Crossref","is-referenced-by-count":5,"title":["Multilocus Heterotopic Gastric Mucosa of Ileum Masquerading as VEOIBD in a Newborn"],"prefix":"10.1542","volume":"143","author":[{"given":"Livia","family":"Lindoso","sequence":"first","affiliation":[{"name":"Divisions of Gastroenterology and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cortney R.","family":"Ballengee","sequence":"additional","affiliation":[{"name":"Divisions of Gastroenterology and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kiran P.","family":"Patel","sequence":"additional","affiliation":[{"name":"Allergy and Immunology, Departments of 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