Kidney cancer | |
---|---|
Other names | Renal cancer |
Micrograph showing the most common type of kidney cancer (clear cell renal cell carcinoma). H&E stain. | |
Specialty | Oncology nephrology Urology |
Symptoms | Blood in the urine, lump in the abdomen, back pain[1][2][3] |
Usual onset | After the age of 45[4] |
Types | Renal cell carcinoma (RCC), transitional cell carcinoma (TCC), Wilms tumor[4] |
Risk factors | Smoking, certain pain medications, previous bladder cancer, being overweight, high blood pressure, certain chemicals, family history[1][2] |
Diagnostic method | Tissue biopsy[1][2][3] |
Treatment | Surgery, radiation therapy, chemotherapy, immunotherapy, targeted therapy[1][2][3] |
Prognosis | Five-year survival ~75% (US 2015)[4] |
Frequency | 403,300 (2018)[5] |
Deaths | 175,000[5] |
Kidney cancer, also known as renal cancer, is a group of cancers that starts in the kidney.[4] Symptoms may include blood in the urine, a lump in the abdomen, or back pain.[1][2][3] Fever, weight loss, and tiredness may also occur.[1][2][3] Complications can include spread to the lungs or brain.[6]
The main types of kidney cancer are renal cell cancer (RCC), transitional cell cancer (TCC), and Wilms' tumor.[7] RCC makes up approximately 80% of kidney cancers, and TCC accounts for most of the rest.[8] Risk factors for RCC and TCC include smoking, certain pain medications, previous bladder cancer, being overweight, high blood pressure, certain chemicals, and a family history.[1][2] Risk factors for Wilms' tumor include a family history and certain genetic disorders such as WAGR syndrome.[3] Diagnosis may be suspected based on symptoms, urine testing, and medical imaging.[1][2][3] It is confirmed by tissue biopsy.[1][2][3]
Treatment may include surgery, radiation therapy, chemotherapy, immunotherapy, and targeted therapy.[1][2][3] Kidney cancer newly affected about 403,300 people and resulted in 175,000 deaths globally in 2018.[5] Onset is usually after the age of 45.[4] Males are affected more often than females.[4] The overall five-year survival rate is 75% in the United States, 71% in Canada, 70% in China, and 60% in Europe.[4][9][10][11] For cancers that are confined to the kidney, the five-year survival rate is 93%, if it has spread to the surrounding lymph nodes it is 70%, and if it has spread widely, it is 12%.[4] Kidney cancer has been identified as the 13th most common form of cancer,[12] and is responsible for 2% of the world's cancer cases and deaths.[13] The incidence of kidney cancer has continued to increase since 1930. Renal cancer is more commonly found in populations of urban areas than rural areas.[14]