涎腺混合瘤多发生于腮腺,较少发生于颌下腺。发生于双侧颌下腺者临床罕见报道。现将作者诊治1例报告如下:患者,男,35岁,工人。因双侧颌下区包块2年余,而入我科就诊。口腔颌面外科情况:双侧颌下区有约2ｃｍ×2ｃｍ×2ｃｍ大小之等大包块,质中等硬度,边界清楚,活动,颌面部其它检 Salivary gland tumors occur in the parotid gland, less in the submandibular gland. Occurred in the bilateral submandibular gland rarely reported clinical. Now the author diagnosis and treatment of a case report as follows: Patient, male, 35 years old, worker. Due to bilateral submandibular mass in more than 2 years, and into our department. Oral and maxillofacial surgery: bilateral submandibular area of ​​about 2cm × 2cm × 2cm size of the large mass, medium and medium hardness, clear boundary, activity, maxillofacial other seizures