Abstract
Aim. The aim of the paper was to evaluate the AgNOR parameters for the discrimination of benign from malignant breast tumors via a new approach - the total AgNOR area/nuclear area (TAA/NA). Material and methods. Three groups, consisting of control (n = 14), benign (n = 18) and malignant (n = 28) participants were included in the study. The AgNOR staining technique was performed and both mean AgNOR number and TAA/NA ratio were evaluated. Results. While the differences between the control and patient groups were statistically significant for AgNOR number (p < 0.001), it was not significant between the malignant group and the benign group for mean AgNOR number (p > 0.05). For the ratio of TAA/NA, the differences between the control and benign group (p < 0.001), control and malignant group (p < 0.001), and malignant and benign patient groups were significant. (p < 0.05). Conclusion. We consider that the evaluation of the TAA/NA rate, when compared with the AgNOR number, can be more sensitive and useful tool for distinguishing benign from the malignant breast lesions.
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