患儿,男,6岁。颈部肿块11个月入院。颈部肿块无疼痛,无声嘶,无吞咽困难。查体:营养差,无颈静脉怒张,气管居中。左甲状腺叶有3ｃｍ×3ｃｍ大小肿块,质硬,边界清,随吞咽动作上下移动。颈两侧均有肿大淋巴结,直径05ｃｍ—20ｃｍ。甲状腺功能无异常,ＷＢＣ94×109/Ｌ,Ｎ714%,Ｈｂ11 Children, male, 6 years old. Neck mass 11 months admitted to hospital. Neck mass without pain, silent hoarseness, no difficulty swallowing. Physical examination: poor nutrition, no jugular vein engorgement, tracheal center. Left thymus leaf size 3cm × 3cm mass, hard, clear boundary, with the swallowing movement up and down. Both sides of the neck swollen lymph nodes, diameter 05cm-20cm. Thyroid function was normal, WBC94 × 109 / L, N714%, Hb11