Journal of Pediatric Surgery Case Reports · Published 2026-07-29 · DOI 10.1016/j.epsc.2026.103318
Ibrahim Y. Sallaq, Dana Salahat, Naim M. Yasin, Feras Almasaid, Mohammad Fares Zhour
Introduction: Gastric duplication cysts are rare congenital anomalies of the alimentary tract, and their occurrence in the pyloroduodenal region is exceptionally uncommon. Case presentation: We report a case of an infected pyloroduodenal gastric duplication cyst in a six-year-old boy with a significant medical history of complex congenital heart disease. The patient presented with symptoms of gastric outlet obstruction, including recurrent non-bilious projectile vomiting and weight loss. Imaging revealed a cystic mass deeply adherent to the pyloroduodenal junction. Due to the high risk of injury to adjacent vital structures and the patient's underlying cardiac condition, a radical resection was considered hazardous. Consequently, a function-preserving surgical strategy involving partial excision with marsupialization was adopted. The patient had an uneventful postoperative recovery, and short-term follow-up confirmed the resolution of symptoms without complications. Conclusion: This case demonstrates that partial excision with marsupialization serves as a safe and effective alternative to major reconstructive surgery for high-risk pyloroduodenal duplication cysts in pediatric patients.
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Sallaq, I., Salahat, D., Yasin, N., et al. (2026). Pyloroduodenal gastric duplication cyst in a six-year-old child managed by function-preserving partial excision: A case report. Journal of Pediatric Surgery Case Reports. https://doi.org/10.1016/j.epsc.2026.103318