多形性腺瘤(pleomorphic adenoma)又名混合瘤(mixed tumor),是腮腺肿瘤中最常见者。临床上约80%发生于腮腺,10%在颌下腺,10%在鼻腔、副鼻窦以及上呼吸消化道的小涎腺[1]。现将我科2010年1月至2013年5月诊断的2例口唇多形性腺瘤病例,报道如下:1.临床资料1.1一般资料例一,患者男性,49岁,因“上唇左侧肿物3+年”入院。入院症见:上 Pleomorphic adenoma, also known as mixed tumor, is the most common parotid tumor. Clinically, about 80% of the parotid gland, 10% of the submandibular gland, 10% of the nasal cavity, paranasal sinuses and the upper respiratory tract of the small salivary glands [1]. Now our department from January 2010 to May 2013 diagnosis of 2 cases of lip pleomorphic adenoma cases are reported as follows: 1. Clinical data 1.1 General Information Example 1 patients male, 49 years old, because of “upper lip left swollen 3+ years ”admission. See hospitalization: on