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应用银染技术定量研究了57例甲状腺良恶性病变中核仁组成区嗜银蛋白(AgNOR)的数目和分布.计数结果;正常甲状腺细胞核AgNOR计数平均为2.51,腺瘤4.61,乳头状癌5.60,髓样癌与滤泡癌9.76,未分化癌11.86,均数差别有统计学意义。此外,AgNOR在不同类型的癌中分布形式也有差别,乳头状癌多呈较规则的团块,未分化癌则呈多而不规则的团块及较多散在颗粒,滤泡癌介于两者之间.表明AgNOR方法不仅可以作为定量或半定量指标区分甲状腺良恶性肿瘤,而且提示与癌分型和临床预后相关。
The silver staining technique was used to quantitatively study the number and distribution of AgNOR in nucleolus of 57 cases of thyroid benign and malignant lesions. The average count of AgNOR in normal nucleus was 2.51, adenoma 4.61, and papillary carcinoma 5.60. Carcinoma, follicular carcinoma 9.76 and undifferentiated carcinoma 11.86, the mean difference was statistically significant. In addition, there are differences in the distribution patterns of AgNOR in different types of cancers. The papillary carcinomas are more regular lumps, the undifferentiated carcinomas are more irregular lumps and more scattered particles, and the follicular carcinomas are between the two. Between. Showed that AgNOR method can not only be used as a quantitative or semi-quantitative indicators to distinguish between benign and malignant thyroid tumors, but also suggest that with the cancer type and clinical prognosis.