Is kidney cancer hereditary?

Yes, kidney cancer can be hereditary in some cases, as certain genetic syndromes increase the risk of developing it. Although most kidney cancer cases are not directly hereditary, having a family history of the disease is considered a non-modifiable risk factor. Research indicates that changes in kidney cell function, specifically in how they grow and divide, are the primary cause of renal cell carcinoma [2].

Understanding Genetic Factors for Kidney Cancer

Genetic factors are part of a group of risk factors that can increase the likelihood of developing kidney cancer. These factors do not always cause cancer directly, but they increase the chance of DNA damage in cells, which can lead to the development of the disease. It is important to distinguish between modifiable risk factors, such as smoking and the misuse of certain painkillers, and those that cannot be changed, such as aging, family history, and having certain genetic conditions [2].

Genetic Syndromes Associated with Kidney Cancer

There are several genetic syndromes that increase the risk of kidney cancer. The most notable include:

• von Hippel-Lindau disease: A hereditary condition that increases the risk of developing various types of tumors, including kidney tumors [1].
• Hereditary papillary renal cancer: A syndrome that increases the risk of developing a specific type of kidney cancer [2].
• Birt-Hogg-Dubé syndrome: A rare disorder that affects the skin and lungs and increases the risk of developing certain types of tumors, including both cancerous and non-cancerous kidney tumors. This syndrome is caused by mutations in the FLCN gene, which is believed to act as a tumor suppressor [3]. This condition is inherited in an autosomal dominant pattern, meaning that one copy of the altered gene is sufficient to cause the disorder. In most cases, the affected person inherits the mutation from one of their affected parents [3].

The Importance of Family History

If you have a family history of kidney cancer, it may be an indication of a genetic predisposition. It is important to discuss your health and family history with your doctor to assess potential risks. This can help determine if there is a need for additional screenings or special monitoring. Although having one or more risk factors does not necessarily mean you will develop kidney cancer, it is important to be aware of these factors [2].

Next Steps and Follow-up

If you are concerned about your risk of kidney cancer due to your family history or other genetic factors, it is essential to consult your doctor. The physician can assess your general health, discuss your risk factors, and provide advice regarding any appropriate screenings or preventive measures. Diagnostic tests for kidney cancer may include blood and urine tests and imaging, and the doctor may sometimes resort to a biopsy [1]. For more information on symptoms, risk factors, and treatment options, you can visit Kidney Cancer: Symptoms, Risk Factors, and Treatment Options (Arabic).

If any symptoms appear, such as blood in the urine, a mass in the abdomen, persistent side pain, unexplained weight loss, or loss of appetite, you should see a doctor immediately [1].

Medical references

• Kidney Cancer
• Renal Cell Cancer Treatment (PDQ®)–Patient Version
• Birt-Hogg-Dubé syndrome: MedlinePlus Genetics