| Summary: | The study objective is to perform comparative analysis of the effectiveness of enucleation, enucleoresection, and resection in renal sinus tumors.Materials and methods. Examination and treatment of 55 patients aged 28–74 years with intrasinous neoplasms of the kidneys of T1–T3 stage was carried out to perform a comparative analysis of the various operations effectiveness: 28 patients underwent organ-preserving operations (enucleation and enucleoresection), 27 – resection. Both groups were statistically comparable by sex, age, location, tumor volume. The most frequent histological variant of the tumor for any type of operation was clear-cell carcinoma (73 %).Results and conclusion. It is established that organ-preserving operations, unlike resection, involve a significantly shorter time of thermal ischemia, allowing the operation to be performed under conditions of zero-ischemia. This was accompanied by an improvement in treatment outcomes, a significant regression in the number of intraoperative and postoperative complications.
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