Diagnostic Algorithms Nonpalpable Lession Breast

The problem of early detection of breast cancer (breast), an accurate assessment of the extent and stage of the process remains one of the most important in modern oncology. Breast cancer (BC) in Russia takes first place in the structure of oncological diseases of the female population - 19.5% and first place in mortality (over 8000 women). The annual growth of 1.5-2.0% (more than 15 thousand new cases). Purpose. Analysis of the possibilities of standard and optional procedures RMG (radiograph in mediolateral projection, aksillografiya, aiming X-ray region of interest with maximum local compression, microfocus X-ray with an increase of 1.8) in early breast cancer diagnostics complex, determining predictors of use of noninvasive and invasive diagnostic methods of research according to RMG. Materials and methods. 2680 women are examined. These standard MMG in 11.8% of cases may not accurately characterize the visualized lesions, are sure to appreciate that they belong to a certain category of classification, require the use of diagnostic ultrasound and MMG. The results of the standard and diagnostic RMG, and ultrasound in 423 patients with the non-palpable breast masse syndrome (NPBM). Additional projections for diagnosis NPBm applied at 10.5% of the cases both individually and in combination. RMG in lateral projection (n = 398 (6.2%)) contributed to the exclusion of processes, “mimicking” pathological changes in: layering summation structures, simulating mass lesion or a portion of the restructuring of the 32 cases, and demonstrated stability skialogicheskoy picture. Aksillografiya (1.5%) was performed 98 patients to clarify the characteristics of the axillary LU collector, but only 2 cases, changes in the LU had metastatic origin. RMG with maximum compression (n = 76 (1.2%)) and microfocus sighting mammograms with an increase of 1.8 times (n = 101 (1.8%)), particularly in identifying structures of small size (less than 5 mm), and the restructuring of the MCC without displaying ultrasound, allow confidence to visualize the morphological characteristics, categorize the pathological changes, avoid unwarranted biopsies. Results. The use of non-invasive radiological techniques RMG diagnostic algorithm research at non-palpable breast masse syndrome increases the information content of the standard RMG 5%, which is comparable with the results of the application of techniques tomosynthesis (but not type IV radiographic density of breast tissue on the ACR). Studies in additional projections allow confidently identify characteristics shadow pattern defining malignancies. Qualitative characteristics of visible changes associated with histological type of cancer. Conclusions. Using an arsenal of available imaging techniques, standardization and uniform interpretation of the revealed changes formed the basis of the diagnostic algorithm non-palpable formations breast to determine the optimal route survey, strategy and tactics of the patients that we believe will help to reduce the number of unwarranted biopsies, optimizing the timing of examination of patients, improve efficiency diagnostic in identifying non-palpable breast masse syndrome.

синдром непальпируемого образования молочных желез, стандартная и диагностическая рентгеновская маммография, классификация BI-RADS, non-palpable breast masse syndrome, standard and diagnostic X-ray mammography, classification BI-RADS

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