Renal Cell Carcinoma
Alternate Names : Adenocarcinoma of Renal Cells, Cancer - Kidney, Hypernephroma, Kidney Cancer, Renal Cancer
DefinitionRenal cell carcinoma, a form of kidney cancer that involves cancerous changes in the cells of the renal tubule, is the most common type of kidney cancer in adults
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Overview, Causes, & Risk Factors
Renal cell carcinoma affects about 3 in 10,000 people, resulting in about 31,000 new cases in the US per year. Every year, about 12,000 people in the US die from renal cell carcinoma. It is more common in men than women, usually affecting men older than 55.
Why the cells become cancerous is not known. A history of smoking greatly increases the risk for developing renal cell carcinoma. Some people may also have inherited an increased risk to develop renal cell carcinoma, and a family history of kidney cancer increases the risk.
People with von Hippel-Lindau disease, a hereditary disease that affects the capillaries of the brain, commonly also develop renal cell carcinoma. Kidney disorders that require dialysis for treatment also increase the risk for developing renal cell carcinoma.
The first symptom is usually blood in the urine. Sometimes both kidneys are involved. The cancer metastasizes (spreads) easily, most often to the lungs and other organs, and about one-third of patients have metastasis at the time of diagnosis.
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