患者,女,67岁,因“发现左颜面部肿物20余年,快速增长3个月”入院。患者35年前曾于当地医院行左颜面部肿块切除术(具体术式及病理结果不详),术后面神经功能正常。20年前无意间发现原手术部位一核桃大小肿物,呈缓慢增长,局部无红热痛等,2015年3月肿物开始生长迅速,表面见溃烂流脓血液。专科检查:左耳下颜面部腮腺区见巨大不规则结节状肿物(图1),质硬、固定、边界清楚、皮温正常,肿瘤表面皮肤菲薄其下可见增粗静 Patient, female, 67 years old, because of “found left facial enlargement more than 20 years, rapid growth of 3 months ” admission. Patients 35 years ago in the local hospital left facial excision (specific surgical and pathological findings unknown), facial nerve function after surgery. 20 years ago inadvertently found a small walled tumor of the original surgical site, showed a slow growth, local red hot pain and so on, in March 2015 began rapid growth of tumor, see the surface of ulcerous fester blood. Specialist examination: the left parotid gland region under the left ear to see a huge irregular nodular mass (Figure 1), hard, fixed, clear boundary, skin temperature is normal, the surface of the skin can be seen thin hyperplasia