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脖子上的肿块是癌症的体征吗?lunp in the neck
摘要:
大多数肿块(lump)并非癌症的体征。然而,如果您脖颈上的肿块长久不消,请立即就医癌性肿块因其大小和位置而不同,有些人甚至可能触摸到一团肿块
淋巴结(lymph nodes)是人体免疫系统(immune system)的重要组成。这些细小、呈豆荚形状的囊状物遍布人体,其功能为过滤淋巴液(lymph fluid)并清除有害物质。淋巴结中还含有免疫细胞(immune cells),后者对淋巴液携带的病菌和细菌发起攻击,从而帮助人体抵抗感染。
通常情况下,淋巴结呈柔软状且不易触碰到。然而,当淋巴结活化以抵抗感染时,它们会有所增大。在大多数情况下,淋巴结肿胀是正常的,一旦人体清除病毒,淋巴结肿胀会有所消退。在罕见的情况下,这些肿块可被视为癌症的最初征兆。
“在脖子上摸到肿块,不足以作为恐慌的根据。”丹娜—法伯/布莱根和妇女医院癌症中心甲状腺癌中心(Thyroid Cancer Center at Dana-Farber/Brigham and Women’s Cancer Center)主任J