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To compile this literature review, we studied at least 100 publications devoted to the genetic basis of clear cell, papillary, and chromophobic sporadic kidney cancer pathogenesis. Each of them considered the role of somatic gene and chromosomal mutations in the initiation, promotion, and tumor progression of sporadic renal cell carcinoma, emphasized the importance of determining the mutagenic profile of renal cell carcinoma for the future fate of patients.

Background. Currently, in men suffering from prostate cancer, histological examination of the material obtained during pelvic lymphadenectomy (PLAE) is the most accurate and reliable method for staging the tumor process and postoperative prognosis of disease outcomes, an important factor influencing the choice of the most rational treatment tactics after radical prostatectomy. However, today questions about the therapeutic (oncological) expediency of PLAE and its safety in terms of the development of intra- and postoperative complications remain debatable.Aim. To was to compare the perioperative and therapeutic (oncological) results of radical prostat ectomy performed in combination with standard or extended PLAE.Materials and methods. The study materials were the data of medical records of 812 men aged 43 to 78 years, at different times (from January 2009 to December 2018) who were hospitalized for localized or locally advanced prostate cancer in stages cT1a–cT3bN0M0. The research method was a retrospective analysis of the data contained in the selected medical records.Results and conclusion. The results of our studies, firstly, confirm the conclusions of the European Association of Urology (EAU) experts on the justification and necessity of performing an extended PLAE with radical prostatectomy in order to diagnose metastatic lesions of the pelvic lymph nodes in individuals with an intermediate or high risk of prostate cancer progression; secondly, they indicate a higher therapeutic efficacy of extended PLAE compared to that for standard PLAE, which is expressed in a statistically significantly three times lower incidence of biochemical relapses and an 11.4 % longer relapse-free period after extended PLAE than after standard PLAE. Extended PLAE, performed in one surgical session with radical prostatectomy, is not a risk factor for the development of various intra- and postoperative complications, with the exception of the lymphocele, which is formed in 3.7–13.5 % of cases of extended PLAE due to intraoperative transection of lymphatic vessels and lymph accumulation at the site of the removed adipose tissue.