The article considers the modern methods of diagnosis and treatment of primary operable breast cancer depending on molecular biological profile of the tumor.
М а м м о л о г и я / M a m m o l o g y 2 ' 2 0 1 7 Том 13 / Vol. 13 ОПУХОЛИ ЖЕНСКОЙ РЕПРОДУКТИВНОЙ СИСТЕМЫ TUMORS OF FEMALE REPRODUCTIVE SYSTEM игина н стат и
Purpose: to determine the dependence of the development of local relapse depending on the chosen tactics of surgical treatment with different biological subtypes of breast cancer.
Materials and methods: molecular taxonomy of breast cancer may improve the prognosis of regional regional recurrence (MPR) and has a great potential for improving decisionmaking regarding local treatment for breast cancer. The review of the world literature, reflecting prospective and retrospective studies on the biological characteristics of breast cancer, is reviewed. The studies reflect such parameters as the degree of malignancy, the age of the patients, the biological subtype of the tumor, and the treatment performed. The development of local and regional regional relapse was assessed depending on the choice of surgical treatment tactics: radical mastectomy and organ-preserving treatment + radiotherapy. The search was limited to 2001, when biological subtypes of breast cancer were identified. Prospective and retrospective studies were evaluated in patients with early operable breast cancer.
Conclusions: young age, tumor malignancy, tumor node size, presence of lymphovascular invasion or lymph node involvement and unfavorable tumor subtypes such as Her2 /neu and triple-negative tumors can be considered as the main predictors of relapse in breast cancer. Tumors having a triple-negative nature have the most aggressive course, this concerns both local, regional relapse, and distant metastasis. Advances in
modern neoadjuvant therapy have reduced the overall number of local relapses for all subgroups. Radiation therapy also helps to reduce the risk of local and regional recurrence. At present,
there is no single-valued data on the choice of surgical treatment tactics for various biological subtypes, however effective systemic therapy as well as radiotherapy reduces the frequency
of local recurrences after performing organ-preserving surgeries in unfavorable tumor subtypes and according to the results of studies, the total and disease-free survival is comparable, as and during mastectomy.
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