化学感受器瘤少见 ,而恶性化学感受器瘤罕见 ,笔者见到经手术病理证实的 1例 ,报告如下。患者　女 ,36岁。于 5年前无意中发现右颌下一蚕豆大小肿块 ,无痛 ,触之能活动 ,未行特殊治疗。 6月前无明显诱因出现午后发热、咳嗽、盗汗、纳差及消瘦。右颈部肿块明显增大。　　查体 : Chemotherapeutic tumor is rare, and malignant chemosensory tumor is rare, I see the surgical pathology confirmed in 1 case, the report is as follows. Female patient, 36 years old. 5 years ago, inadvertently found the size and mass of the right next leg of broad beans, painless, touching the activity, without special treatment. 6 months ago no obvious incentive to appear afternoon fever, cough, night sweats, anorexia and weight loss. Right neck mass was significantly increased. Physical examination: