Gastric Duplication

  • Etiology: abnormal budding of gastrointestinal tract lined with GI epithelium, may communicate with enteric lumen proper
  • US: cystic lesion with echogenic rim sign = enteric signature = hyperechoic inner layer of cyst representing bowel mucosa

Cases of Gastric Duplication

UGI and US of gastric duplication
Lateral image from an UGI shows narrowing of the antrum of the stomach, which persisted throughout the exam. Sagittal US of the same region shows a cystic mass with an echogenic central rim.