颏下区异位甲状腺乳头状腺癌１例报告山东聊城地区医院口腔科张军生异位甲状腺虽然多见，但主要位于舌根附近，发生于颏下区则较少见，而且该部位异位甲状腺恶变国内尚无报道．近期我科收治１例颏下区异位甲状腺腺癌患者，现报告如下．患者刘××，女，４６岁，住院号２８... One case of ectopic thyroid papillary adenocarcinoma in the subgingival area was reported by Zhang Junsheng, from the Department of Stomatology, Liaocheng District, Shandong Province. Although ectopic thyroid glands are more common, they are mainly located near the base of the tongue, and are rarely seen in the subgingival region. There is no report in China yet. Recently, our department has treated 1 patient with ectopic thyroid adenocarcinoma in the subgingival area. The report is as follows. Patient Liu × ×, female, 46 years old, hospital number 28...