患者,男,48岁,于4个月前发现左耳垂下长一花生米大小肿物,无任何感觉,肿物渐长至鸡蛋大,门诊以“腮腺混合瘤”入院。体检左耳垂下长一肿物4cm×3cm×3cm,质稍硬,表面光滑,挤压痛不明显,可活动,部分位于左下颌角内侧,颌下淋巴结不肿大,腮腺导管不红肿,分泌尚可。临床诊断:左腮腺混合瘤。手术所见瘤体呈结节状,质地较脆,与周围软组织粘连 The patient, male, 48 years old, was found 4 months ago that a peanut-sized tumor was left under the left ear lobe, without any sensation, and the tumor gradually grew to a large egg size. The patient was admitted to the hospital with a “mixed tumor of parotid gland.” Physical examination left ear lobe long a tumor 4cm × 3cm × 3cm, slightly harder, smooth surface, no obvious pain, can be active, part of the medial left mandibular angle, submandibular lymph nodes are not swollen, parotid duct is not swollen, secretion OK. Clinical diagnosis: mixed tumor of left parotid gland. The tumors were nodular in operation and had a brittle texture and adhered to the surrounding soft tissues.