病例:男,47岁。入院前2周,患者无意中发现颈部有一肿块,且2周来略感声音嘶哑,伴有呛咳,无咯血,无呼吸困难,无紫绀,无眼球突出,无心慌、气急。外院B超示右甲状腺肿块。患者拟行手术治疗收治入院。体检:T36.8℃,脉率 Case: Male, 47 years old. 2 weeks before admission, the patient inadvertently found a lump in the neck, and 2 weeks to a little hoarseness, accompanied by cough, no hemoptysis, no breathing difficulties, no cyanosis, no eyeballs, no palpitation, shortness of breath. Outside the hospital B ultrasound shows right thyroid mass. Patients scheduled for surgical treatment admitted to hospital. Physical examination: T36.8 ℃, pulse rate