Kidney tumours
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.
Reference
- Rouprêt M et al. European Association of Urology Guidelines on Upper Urinary Tract Urothelial Carcinoma: 2023 Update. Eur Urol. 2023 Jul;84(1):49-64.
- Escudier B et al. ESMO Guidelines Committee. Renal cell carcinoma: ESMO Clinical Practice Guidelines for diagnosis, treatment and follow-up†. Ann Oncol. 2019 May 01;30(5):706-72
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