The others(5 cases) with thyroid mass, and 3 cases were misdiagnosed as nodular goiter, 1 case as thyroma, 1 case as Hashimoto's thyroiditis.

以状腺肿块为首发症状者5例，误诊为结节性状腺肿3例，腺瘤1例，桥本氏状腺炎1例。