The embryological basis and the clinical and diagnostic imaging features of PSF in the literature are also reviewed and presented in this report.

• 吾等在这篇报告中并将讨论钡剂食道摄影术在诊断梨状窦廔管的重要性，并回顾文献中梨状窦廔管在胚胎学上的发生原因及影像上的特徵。