X-Ray Features Non-Palpable Lesions of Breast

Non-palpable breast benign and malignant lesions have similar radiographic manifestations. The difficulties of interpretation of non-palpable breast lesions increase the number of unwarranted biopsies. Purpose of the study. Identify significant radiological parameters for a correct assessment of the nature of change and indirect signs of breast lesions for categorization in the BI-RADS system; develop a strategy for ultrasound negative for the first time and newly identified impalpable lesions. Materials and methods. The study included 423 patients with non-palpable mammary premenopausal, have identified 129 (30.4%) breast cancer. The diagnosis was verified on the basis of the results of complex clinical and instrumental examination, including standard, diagnostic X-ray mammography, ultrasound, MRI, MSCT and breast biopsy data. There were significant radiological signs of malignancy lesions, defined their diagnostic value. Results. The use of additional diagnostic techniques mammography contributes confident visualization significant radiological criteria of malignancy increases the information content of the method is 5%, helping to reduce the number of unwarranted biopsies by 11%. Conclusion. The diagnosis of non-palpable lesions of breast, including ultrasound-negative lesions based on a comprehensive analysis of relevant and indirect radiological signs, taking into account the localization of the changes depends on the screening round and requires the use of additional diagnostic techniques. X-ray mammography diagnostic value in this approach is increased from 91% to 98% sensitivity and specificity of 61% to 75%. MSCT-MG and MG-MRI demonstrated an even higher efficiency: MSCT-MG with KU (100%) and MRI-MG with KU (100% sensitivity, 98% specificity). Consistent application of radiation and morphological studies with a gradual increase in the degree of invasiveness increases the quality of the diagnosis of non-palpable breast cancer.

непальпируемый рак, скрининговая маммография, диагностическая маммография, классификация BI-RADS, критерии злокачественности, УЗ-негативные поражения, non-palpable breast masse syndrome, standard and diagnostic X-ray mammography, classification BI-RADS, US-negative lesions

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