我院在40年临床医检工作中发现舌根部异位甲状腺组织2例误诊为肿瘤，现报道如下：例1女，26岁。发现舌根部肿物10年，初起黄豆大，生长缓慢，无痛。3年前曾在某医院手术，诊断不详，术后半年肿物复发，渐长大，近1年生长快，伴呼吸不畅，影响吞咽，仍无疼痛。查体，舌根部正中 Our hospital in 40 years of clinical medical examination found that the tongue base of the ectopic thyroid tissue were misdiagnosed as 2 cases of tumor, are reported as follows: 1 female, 26 years old. Found that the tongue root mass 10 years, since the beginning of soybeans, slow growth, no pain. 3 years ago in a hospital surgery, diagnosis is unknown, six months after the recurrence of the tumor, the gradual growth of nearly 1 years of rapid growth, with poor breathing, affecting swallowing, still no pain. Physical examination, the middle of the tongue base