牙龈与颌骨转移性肿瘤——附14例报告

14例牙龈与颌骨的转移性肿瘤中男性9例,女性5例;平均年龄超过50岁。本组转移性肿瘤骨组织较软组织多见(5/9),下颌多于上颌(4/10)。临床以牙龈红肿易出血、牙齿松动、局部肿块、疼痛及唇部麻木等为主要表现;X线显示:颌骨转移性肿瘤以溶骨性破坏为特点,而牙龈病变骨质则呈边缘不整齐的扇形吸收。原发肿瘤组织学类型以腺癌最多(10/11),其部位则以肺、肝、鼻咽常见。

Metastatic Tumor of the Gingiva and Jaws——14 Cases Reported

Fourteen cases of metastatic tumor of gingiva and jaws were reported.9 cases of these were males and 5 females.The mean age of the patients was over 50.Clinically,the position of metastatic tumor often laeated in mandible were more than in the Soft tissues.The major features of metastatic tumor were the hyperemia and hemorrhage of the gingiva,loosening of the teeth,swelling in the local le- sion,pain and numbness in lip.X-ray showed that there was osteolytic destruction of jaws by metastat- ic tumor.Meanwhile,scalloped absorption of the alveolar bone with irregular margin when the tumor metastasized to the gingiva were observed.Predilection site of primary tumor are lung,followed by liv- er and nasopharynx,and the commonest histological type of which is adenocarinoma.