异位甲状腺肿块误诊２例方中南例１女，８岁。生后即发现右下颌肿块，质较硬，进行性增大。发音少许嘶哑，无吞咽困难。Ｂ超示５．０ｃｍ×４．７ｃｍ，部分囊性部分实质性肿块。肿块吞咽上下活动，Ｘ线片示肿块下方可见少许钙化点，气管稍向左移位，气管软化试验阴性。无... Misdiagnosis of ectopic thyroid mass in 2 cases of Fangnan example 1 female, 8 years old. After birth that right lower jaw mass, hard quality, progressive increase. A little hoarse pronunciation, no difficulty swallowing. B ultrasound showed 5.0cm × 4.7cm, part of the cystic part of the substantive mass. Mass swallow up and down activity, X-ray showed a little calcification below the tumor point, slightly shifted to the left trachea, tracheal softening test negative. no...