患者,女,32岁。发现右耳垂下肿物2年,红枣大小,无疼痛,无口眼歪斜,抗炎无效,肿物无明显增大。体检:右耳垂下方乳突尖前方触及一约2 cm×2 cm大小肿物,质硬,表面光滑,边界模糊,活动差,无压痛,与皮肤无粘连,局部皮肤无红肿,淋巴结未触及。彩超示:右侧腮腺增大,内见26 mm×22 mm低 Patient, female, 32 years old. Found that the right ear drop the tumor 2 years, jujube size, no pain, no mouth and mouth askew, anti-inflammatory ineffective, no significant increase in the tumor. Physical examination: the right ear lobe mastoid pointed in front of a small touch about 2 cm 2 tumor size, hard, smooth surface, fuzzy boundaries, poor activity, no tenderness, no adhesion with the skin, local skin without swelling, lymph nodes not touched. Choi ultrasound shows: the right parotid gland enlargement, see inside 26 mm × 22 mm low