Gastric choristoma is composed of the ectopic microscopically normal cells of gastric mucosa and can be located anywhere in the gastrointestinal tract. Choristomas are mostly clinically silent or present with minimal symptoms and are usually diagnosed in adulthood.
This case report presents a neonate who experienced difficulty breathing, dyspnea, orotracheal intubation and an early surgery in the postnatal period due to a specific localization and size of its tumor.