A rare subtype of renal cell carcinoma (RCC) is Bellini collecting duct carcinoma, also known as medullary renal carcinoma or distal nephron carcinoma, which accounts for 0.4-2.0% of all RCC cases. This subtype has the poorest prognosis of all RCC subtypes, typically presenting as a low-grade tumor at the pT3 or higher stage. Consequently, many patients have distant metastases at diagnosis and 60% develop metastases following radical treatment. There have been approximately 400 literature-reported cases of Bellini ductal carcinoma to date. We present a case report of a patient with early-stage Bellini duct cancer and a literature review of published reports on this condition.
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Сорокин et al. (2024) studied this question.
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