[Congenital gastric teratoma in a premature newborn infant].

The third published case of gastric teratoma from Mexico, is reported. A premature newborn male infant was operated on at the age of 37 days. A 250 g. mass was excised from the anterior gastric wall together with a third of the stomach. After a 5 year follow-up the patient is asymptomatic. The characteristics of 48 additional cases collected from world literature are described. A general review of germ-cell tumors in the stomach, is also exposed.