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This case report will discuss a 6-month-old female, born at 37 weeks gestation, who underwent a diagnostic laparoscopy for an intra-abdominal cystic mass that was diagnosed in utero at 22 weeks’ gestation. She underwent an abdominal U/S on her second day of life. This redemonstrated the intra-abdominal cystic lesion, measuring 2.8 × 2.3 × 2.9 cm with differential diagnosis including a mesenteric cyst, enteric duplication cyst, and lymphatic malformation. The patient was taken to the operating room for surgical intervention. She was found to have a hepatic lesion, which appeared to be a simple hepatic cyst. Pathology reported this to be a benign congenital biliary-type cyst. We describe a laparoscopic approach to this benign appearing hepatic/biliary mass.

Schwannomas and Perineuromas are rare findings in the GI tract, especially in pediatric patients. They typically present in the fifth to sixth decade of life with a female predominance. In this case, we describe a 13-year-old female who presented with multiple GI complaints including weight loss and anemia. She was found to have an umbilicated mass in the lesser curvature of the stomach suspicious of a gastrointestinal stromal tumor (GIST). The mass was resected via a laparoscopic partial gastrectomy. The pathology report confirmed the diagnosis of a gastric hybrid schwannoma and perineuroma staining for EMA and S-100 protein.