Intrapancreatic gastric duplication cyst presenting as lower gastrointestinal bleeding.

This report describes a rare foregut malformation of a noncontiguous gastric duplication cyst embedded within the body and tail of the pancreas. An 8-month-old boy presented with massive malena of 3 days' duration. The laparotomy showed an intrapancreatic cyst with bleeding and ulcer perforation into a loop of adherent jejunum. Histologically, the cyst contained gastric mucosa. This is believed to be the first reported instance of an intrapancreatic gastric duplication causing massive lower gastrointestinal bleeding in an infant.