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用放免法测定５０例甲状腺肿瘤病人血清铁蛋白含量，结果示：甲状腺癌患者血清铁蛋白含量较甲状腺腺瘤组明显高，有显著性差异，（Ｐ＜０．０５）。有区域淋巴结转移组比无转移组血清铁蛋白高，差异具有显著性（Ｐ＜０．０５）。以上所示表明对甲状腺癌患者进行血清铁蛋白测定有助于良、恶性鉴别及预后的判断，也可作为一种肿瘤标记物。
Radioimmunoassay was used to determine serum ferritin levels in 50 patients with thyroid tumors. The results showed that serum ferritin levels in thyroid cancer patients were significantly higher than those in thyroid adenomas (P<0.05). The regional lymph node metastasis group had higher serum ferritin than the no metastasis group (P<0.05). The above shows that the determination of serum ferritin in thyroid cancer patients contributes to the differentiation of benign and malignant tumors as well as the prognosis, and can also be used as a tumor marker.