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Renal tumours

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Tumours of the kidney may arise from the renal parenchyma or from the urothelial lining of the collecting system. They account for about 3% of all malignancies.

The most important renal parenchymal tumours are:

  • renal adenocarcinoma:
    • 90% of all primary renal tumours
    • confined to adults

  • nephroblastoma:
    • 3% of all primary renal tumours
    • presents in infancy or early childhood

  • metastases:
    • most common renal tumour
    • often asymptomatic

Transitional cell carcinoma is the only important tumour of the renal pelvis. It accounts for 5% of all primary renal tumours, and often presents late. It is discussed with other urothelial tumours.

Angiomyolipoma is an important benign tumour.

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