There are 9 histological types of renal carcinoma. The most frequent is the renal clear cell carcinoma that has the multilocular cystic renal cell carcinoma and the Xp11-2 translocation renal cell carcinoma as main differential diagnosis and for which treatment is standardized. In other histologic forms, the most efficient medical treatments of metastatic diseases may be: sorafenib in the chromophobe renal cell carcinoma, mTOR inhibitors in papillar renal carcinomas, chemotherapy in Bellini carcinoma.
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