异位甲状腺及其误诊误治

目的：探讨异位甲状腺的临床特征、诊断及治疗，以减少其误诊、误治。方法：报告4例异位甲状腺患者的临床资料，结合文献复习，对异位甲状腺的临床流行病学特点、诊断、治疗及其误诊、误治原因等进行分析。结果：4例异位甲状腺患者均被误诊为甲状舌管囊肿，其中3例发生良、恶性肿瘤。结论：耳鼻咽喉头颈外科医师对异位甲状腺的认识不足和缺少细致缜密的检查是导致其误诊、误治的主要原因。

Misdiagnosis and mistherapy of ectopic thyroid gland

Objective:To explore the clinic characteristic,diagnosis and treatment of ectopic thyroid gland(ETG)and avoid the misdiagnosis and mistherapy of ETG.Method:The clinic materials of 4 cases with ETG were analysed.Four patients were misdiagnosed thyroglossal duct cyst. The clinical features, diagnosis and management of ETG were discussed.Result:All of patients had a normal thyroid gland in the neck and underwent a surgical resection of neck mass. Postoperative pathologic examination revealed the neck masses originated from accessory thyroid gland, of them, 1 gland enlargement, 1 adenoma and 2 adenocarcinoma. Fortunately, by the postoperative fellow up, no significant complication was found in the patients.Conclusion:The well understanding of ETG and the detailed examination before surgical treatment of neck mass, including ultrasonography, CT or MRI, radioactive isotope scaning and fine needle aspiration biopsy, are keys to adequate diagnosis and management of ETG.