Mature Gastric Teratoma: The Mixed Exogastric and Endogastric Variety

Gastric teratomas are extremely rare tumors. A 15-day-old neonate presented with abdominal mass. Ultrasound of abdomen showed mixed echogenicity lesion. CT scan showed a mass with solid and cystic components and internal calcifications. At operation a tumor arising from the posterior wall of the stomach found. It was exogastric as well as endogastric in location. Biopsy report was suggestive of mature teratoma.