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What is A newborn has a posterior mediastinal cystic mass with several veebral anomalies. The most likely diagnosis would be which of the following? and explain in detail?
Neuroenteric cyst / esophageal duplication cyst is round or tubular lesion occurring in the lower posterior mediastinum, which often disto esophagus but only rarely communicate with the esophageal lumen a chest x-ray may show a right-sided mediastinal mass and associated veebral anomalies like hemiveebra, block veebra, butterfly veebra or spina bifida, if present.