2017 Volume 68 Issue 6 Pages 403-408
We reported an esophageal duplication cyst in a 43-year-old male detected by upper digestive tract examination in health screening. Endoscopy detected a submucosal translucent tumor in the left side of the lower esophagus. Endoscopic ultrasonography (EUS) and CT/MRI revealed fluid collection and a septal wall in the tumor. We diagnosed that the tumor was an esophageal duplication cyst. The patient underwent tumor resection through left thoracic-abdominal approach and gastric fundopexy for defect of the proper muscle in the lower esophagus. The tumor consisted of a cyst containing brownish serous fluid with a septal wall. Pathologic findings showed that the inner surface of the esophageal cyst was covered by single ciliated and embryonic squamous cell epithelium. Postoperative course was good without complication. Esophageal duplication cyst is a rare disease, but its presence can involve various problems in both diagnosis and treatment.