346例涎腺恶性肿瘤的临床资料分析

目的：分析涎腺恶性肿瘤的临床发病情况及各类肿瘤的构成比。方法：对经病理确诊的346例涎腺恶性肿瘤的临床资料进行回顾性分析。结果：患者平均43．7岁，男女性别之比为1．37：1。从原发部位分析，腮腺、腭部小涎腺、颌下腺占发病部位的前3位；从组织来源分析，上皮源性肿瘤最多；从病理类型分析，腺样囊性癌、粘液表皮样癌、腺癌分占前3位。结论：涎腺恶性肿瘤的发病年龄较口腔颌面部恶性肿瘤的平均年龄降低，腺样囊性癌位居病理类型的首位，腮腺、腭部小涎腺占发病部位的前两位。

Salivary gland neoplasms: a clinical analysis of 346 cases

Objective: To analyse the clinical features and proportion of salivary gland malignant neoplasms. Methods: The clinical data of 346 cases pathologically diagnosed as salivary gland malignant neoplasms were analysed retrospectively. Results: The patients were 43.7 years old in average. The ratio of male to female was 1.37:1. According to original sites,the most common were parotid gland,minor salivary gland in palate and submandibular gland successively; according to the original tissues,epithelial neoplasms were most commonly found; according to pathological type,adenoid cystic carcinoma,mucoepidermoid carcinoma and adenocarcinoma ranked the first three. Conclusion: Salivary gland malignant neoplasms occurs in younger patient averagely than oral-maxillofacial malignant neoplasms does. Adenoid cystic carcinoma ranks the first with the pathological type. Parotid gland and minor salivary gland in palate arethe most common original sites.