Method: retrospectively analysis of 1 case with ectopic parathyroid gland in the pyriform sinus and retrospectively review the past literatures.
方法：回顾性分析1例梨状窝异位甲状旁腺患者的临床资料并复习有关文献。
Method: retrospectively analysis of 1 case with ectopic parathyroid gland in the pyriform sinus and retrospectively review the past literatures.
方法：回顾性分析1例梨状窝异位甲状旁腺患者的临床资料并复习有关文献。
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