Method Selected 110 patients of parotid benign tumor and plemorphic adenoma, and did superficial lobe parotidectomy with retaining parotid master duct.

• 方法对110例临床诊断为腮腺良性肿瘤或多形性腺瘤的病例作保留腮腺主导管腮腺浅叶加肿瘤切除手术。