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(Created page with "== Introduction == Many types of benign and malignant tumors occur in the urinary tract, however in the daily routine the most common ones are oncocytoma and renal cell carcinoma. == Benign renal tumours == Oncocytoma is the most important benign renal tumor. It originates from intercalated cells of the tubules. The name comes from the tumor cells are ''oncocytes'', cells with large eosinophilic cytoplasm due to high content of mitochondria. The tumor is brownish on mac...") |
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