Kidney cancer, or cancer of the kidney, is any type of cancer that has arisen from the kidney. Kidney cancer does not usually include a cancer that arose outside the kidney and metastasized to include metastatic cancer of the kidney.
The most common types of kidney cancer include renal cell carcinoma and urothelial cell carcinoma of the renal pelvis. Renal cell carcinoma accounts for approximately 90% of all kidney cancers. Urothelial cell carcinoma is a type of cancer that occurs in the urinary system, specifically the kidney, urinary bladder, ureter, urethra and urachus.
The following are also types of kidney cancers:
Squamous cell carcinoma
Juxtaglomerular cell tumor (reninoma)
Angiomyolipoma
Renal oncocytoma
Bellini duct carcinoma
Clear-cell sarcoma of the kidney
Mesoblastic nephroma
Wilms' tumor (usually diagnosed in children under 5)
Mixed epithelial stromal tumor
Adults aged between 50 and 80 years are more likely to develop kidney cancer compared to other people. This type of cancer affects men more than women.
The incidence of kidney cancer in the developed world has been steadily increasing over the last three decades. Some experts believe there is a close link between this increase and a parallel rise in rates of adult obesity.
Chemotherapy is designed to treat cancer cells that may have spread in this fashion. Sadly, even with chemotherapy cells may survive and begin to grow at a later date. Cancer that returns. Cancer survivors have a risk of cancer recurrence before cancer killer cells treatment.
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