Gastric teratoma is an extremely rare tumor that accounts for less than 1% of all teratomas. Gastric teratoma is mostly presented as a palpable abdominal mass, and is rarely accompanied with gastrointestinal bleeding such as melena or hematemesis. A 5-month-old male infant was brought with a history of pale facial color and dark-colored stool. The hemoglobin level was at 6.1 g/dL, with melena having begun 1 month previous. Upper gastrointestinal endoscopy revealed a polypoid mass with bleeding at the upper body and lesser curvature of the stomach. Wedge resection of the stomach was performed and histopathological analysis confirmed the mass to be a mature cystic teratoma. There was no recurrence after the operation during follow-up.

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• Non-variceal gastrointestinal bleed in children: surgical experience with emphasis on management challenges
  Richa Lal, Surender K. Yachha, Ankur Mandelia, Navdeep Dhoat, Divya Prakash, Moinak Sen Sarma, Rajanikant R. Yadav, Anshu Srivastava, Ujjal Poddar, Anu Behari
  Pediatric Surgery International.2019; 35(11): 1197.     CrossRef