Resultados de búsqueda - A. M. Belyaev

Solution of actual problem of continuous improvement in productivity as a key indicator of staff efficiency of the industrial enterprise is achieved through integrated application of all elements of the organization of work in designing work process and adopting special measures to improve productiv...

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Until recently, China’s national security was primarily associated with the economic development of the country and national economy systemic modernization.   The subject of the study is the People’s Liberation Army of China (hereinafter – PLA) modernization.   The purpose of the study is to substan...

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Background. The incidence of skin cancer has been steadily increasing worldwide. Squamous cell skin carcinoma (SCSC ) is the second most common form of epithelial cancer. Treatment of SCSC remains a challenge, and the 10-year survival rate does not exceed 20 % in patients with regional lymph node  m...

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The aim of this study was to conduct a systematic review and meta-analysis of the literature to evaluate the impact of different antibiotic prophylaxis (АР) strategies on the incidence of infectious complications within 30 days after radical cystectomy (RC).Material and Methods. The meta-analysis pr...

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Oncology was officially acknowledged as a separate branch of medical science 75 years ago. Historically, it was landmarked by Order No. 323 of the People’s Commissariat for Health of the USSR of April 30, 1945 “On efforts to improve national oncology care”. This decision triggered deployment of a ne...

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The article is devoted to the history of the St. Petersburg School of Oncogynecology from the moment of its creation to the present day. Brief biographies of the founders and scientific directions of the St. Petersburg School of Oncogynecology are presented.

Endometrial cancer (EC) is the third most common cancer. It comprises almost 10 % of all malignant tumors in women. Peak morbidity is observed at advanced age (62–64 years) and is associated with excess weight. At the time of diagnosis more than 70 % of patients have stage I disease and most of them...

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Introduction. To date, the impact of the time interval from diagnostic prostate biopsy to radical prostatectomy on treatment outcomes remains a topical issue.Objective. To evaluate the effect of the timespan from diagnosis to radical treatment of prostate cancer (PCa) patients on tumor morphology an...

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Comparative study of antitumor activity of cisplatin and dioxadet in chemoperfusion treatment was carried out on ascitic ovarian cancer model in 172 Vistar female rats. Ovarian cancer was inoculated intraperitoneally at a volume of 0.5 ml per rat with concentration of tumor cells 2×107 / ml. The dru...

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In our study we carried out an exploratory assessment of the antitumor activity of hyperthermic intraperitoneal perfusion (Hipep) with 0.9 % sodium chloride solution and compared it with the effect of a single normothermic intraperitoneal (i.p.) Administration of cisplatin in the maximum tolerated d...

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Introduction. Currently thyroid nodules are a widespread problem in clinical oncology and head and neck cancer, malignant focal lesions constitute more than 15–20  %. Accurate diagnosis is very important and determines treatment, as well as the volume of surgical intervention.Objective – determinati...

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Background. Evidence for the safety of using the hypofractionation (HF) regimen after immediate breast reconstruction (IBR) in patients with breast cancer is not well documented. the purpose of the study was a retrospective analysis of surgical treatment with IBR and postoperative radiation therapy...

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The establishment of oncology as a discipline in Russia should be considered taking into account the specifics of national history, as well as key historical events. In 2020, Russia celebrates the 75th anniversary of Victory in the Great Patriotic War (World Was II). Russian oncology also celebrates...

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Challenges in cancer detection, prognosis and management are currently being solved by determining circulating tumor DNA (ctDNA). The assessment of this marker has acquired particular importance in metastatic colorectal cancer (mCRC), the systemic treatment of which depends on the RAS gene status, w...

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The purpose of the study was to summarize the available data on etiology, diagnosis, clinical symptoms and signs as well as on various approaches to the treatment of neuroendocrine cervical tumors.Material and Methods. The relevant sources were searched in the PubMed and cochrane Library systems, an...

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The study objective is to evaluate the results of using the Petrov Thyroid Cancer Score (PTCS) in 2018 and assess the diagnostic value of the original PTCS and modified PTCS.Materials and methods. PTCS, proposed in the N.N. Petrov National Medical Research Center of Oncology in early 2018, was teste...

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A method for assessing the likelihood of finding a differentiated thyroid cancer based on the use of the Petrov Thyroid Cancer Score (PTCS) is proposed. The individual components of the score are divided into 4 groups in terms of their diagnostic significance. PTCS reflects  the opinions of speciali...

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Background. Achieving a pathologic complete response (pCR) after neoadjuvant systemic therapy (NST) is a predictive factor for improving disease free and overall survival. In triple negative (TN) and HER2-positive breast cancer (BC), the pCR rate exceeds 60 %. Patients with TN and HER2-positive BC w...

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Background. BRCA-associated triple negative breast cancer (TNBC) is considered one of the most aggressive subtypes of breast cancer with high sensitivity to chemotherapy, which leads to increased interest in finding new treatment options for patients with this subtype of breast cancer.   Aim. To det...

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