1　病例报告男 ,6 0岁 ,于 1个月前发现左耳下一黄豆大小肿物 ,并迅速增大 ,应用多种口服抗生素无效。遂到我院就诊。查体发现左耳下一肿物隆起 ,表面皮肤色泽正常。触约 4cm× 3cm× 3cm大小 ,质中等硬度 ,无触压痛 ,可稍移动 ,左面部无面瘫症状 ,压迫左侧腮腺 ,可见腮腺导管? 1 case report Male, 60 years old, one month before the discovery of the size of the left ear and a small tumor, and rapidly increased, the use of a variety of oral antibiotics ineffective. Then to our hospital. Physical examination found a swelling under the left ear, the surface of normal skin color. Touch about 4cm × 3cm × 3cm size, medium hardness, no tenderness can be a little moving, no facial paralysis on the left facial symptoms, oppression of the left parotid gland, the parotid duct can be seen?