异位甲状腺是胚胎发育过程中的畸形，文献统计约有９０％发生于舌根部，其次为鼻咽部、舌骨上下、胸骨等部位。发生于腮腺区的甲状腺瘤临床极罕见，现将我科收治１例报告如下：患者宫某某，女，３８岁，因左面部耳垂下一肿物半年于１９９５－０２－２７日入院。患者半年前... The ectopic thyroid gland is the deformity during the process of embryonic development. About 90% of the literature statistics occur in the base of the tongue, followed by the nasopharynx, the hyoid bone, the sternum and other parts. Occurred in the parotid gland area of ​​thyroid tumor is extremely rare, now our department received a report as follows: Patient Gongmou, female, 38 years old, due to the left side of the earlobe a tumor for half a year in 1995 - 02-27 admission. Six months ago