1临床表现患者,男性,58岁,因发现右颈部无痛性肿物就诊。4月前无意中发现右颈部直径约5 cm肿物,局部无红肿、热、痛和呼吸、吞咽困难,无声音嘶哑、抽搐等不适,自觉肿物生长缓慢,饮食良好。查体:右甲状腺外侧可及4 cm×4 cm肿物,质韧,表面欠光滑,无压痛,与皮肤无粘连,未闻及血管 A clinical manifestation of the patient, male, 58 years old, because of the right neck painless mass treatment. 4 months ago inadvertently found about 5 cm diameter of the right neck mass, local no redness, heat, pain and breathing, difficulty swallowing, hoarseness, convulsions and other discomfort, slow growth of conscious mass, a good diet. Physical examination: the right side of the right thyroid and 4 cm × 4 cm tumor mass, tough, the surface is not smooth, no tenderness, no adhesion with the skin, no smell and blood vessels