Objective: To improve the diagnosis and treatment of pyriform sinus fistula.
目的：提高梨状窝瘘的诊治水平。
Objective To evaluate the effect of gastroscopic assistant operation for children with pyriform sinus fistula.
目的分析儿童梨状窝瘘反复发作的原因，介绍胃镜辅助手术方法及其优越性。
Objective: To improve the diagnosis rate of the pyriform sinus fistula by means of esphagogram and CT scan after esphagogram.
目的：通过食管吞钡造影及造影后CT平扫检查提高梨状窝瘘的诊断率。
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