Understanding Kidney Cancer

Can I Lower My Risk of Kidney Cancer? Screening and Prevention

Last updated and reviewed on June 13, 2026.

There is no guaranteed way to prevent kidney cancer. Most kidney cancers develop in people with no known, avoidable risk factors. However, there are meaningful steps you can take to lower your personal risk, and there are important strategies for people with known hereditary risk factors. Understanding both screening (looking for cancer before symptoms appear) and prevention (reducing the chances of cancer developing) can help you make informed choices about your health.

What Is Kidney Cancer Screening?

Cancer screening means testing people for signs of cancer before they have any symptoms. Finding cancer early, when it is small and has not yet spread, gives the best chance for successful treatment.

At this time, there is no recommended routine screening test for kidney cancer in the general population. Major health organizations, including the U.S. Preventive Services Task Force, do not recommend kidney cancer screening for people at average risk, because no single test has been shown to reliably find kidney cancer early enough to save lives across a broad population.

However, regular monitoring is recommended for people with known high risk, particularly those with hereditary syndromes like Von Hippel-Lindau (VHL) syndrome, Birt-Hogg-Dubé syndrome, or a strong family history of kidney cancer. If you have one of these conditions, your doctor can set up a personalized screening plan.

Types of Kidney Cancer Screening Tests

When screening or monitoring is performed (for high-risk individuals), the most common tests include:

Ultrasound. An ultrasound uses sound waves to create a picture of the kidneys. It is painless, does not use radiation, and can detect kidney masses. It is commonly used for first-line screening in high-risk patients and for monitoring known cysts or small tumors.

CT Scan (Computed Tomography). A CT scan takes detailed cross-sectional X-ray images of the kidneys and surrounding structures. It is very good at finding small kidney tumors and is one of the most accurate tests for evaluating a suspicious kidney mass. CT scans do use radiation, so their use for screening must be balanced against that risk, especially in younger people who need long-term monitoring.

MRI (Magnetic Resonance Imaging). An MRI uses magnetic fields and radio waves (no radiation) to create detailed images of the kidneys. MRI is particularly useful for people who cannot receive the contrast dye used in CT scans, or for evaluating tumors that need more detailed imaging. It is also preferred in pregnancy and for young patients who need to minimize radiation exposure.

Urine Tests (Urinalysis). A routine urine test can detect blood in the urine (hematuria), which may be a sign of kidney cancer or another urinary condition. However, urinalysis is not specific enough to be a reliable kidney cancer screening tool on its own.

When Should You Start Screening for Kidney Cancer?

For the general population, routine screening for kidney cancer is not currently recommended. Most people do not need kidney cancer screening unless they have specific risk factors.

Screening and monitoring should begin earlier and be done more frequently for people who:

• Have a hereditary syndrome associated with kidney cancer (VHL, BHD, HPRC, HLRCC, or SDH-related kidney cancer)
• Have a strong family history of kidney cancer, especially if diagnosed at a young age
• Have been on dialysis for many years (acquired cystic kidney disease)
• Have had prior kidney cancer and are being monitored for recurrence

If you are in one of these higher-risk groups, your doctor or a genetic counselor can recommend a personalized screening schedule, often starting in the late teens or early adulthood for hereditary conditions, and typically involving annual or biannual imaging.

Which Screening Tests Should I Choose?

If your doctor recommends monitoring, the choice between ultrasound, CT, and MRI depends on several factors:

• Ultrasound is a good starting point; it is widely available, inexpensive, and involves no radiation.A 
• CT scan provides more detail and is better for characterizing masses, but it involves radiation and contrast dye.
• MRI is preferred when radiation exposure needs to be minimized (for example, in children or young adults who need lifelong monitoring) or when CT contrast cannot be used.

Your doctor will help you choose the right test based on your situation. For most hereditary syndromes, MRI or CT is preferred because of their superior ability to detect small tumors.

Reducing Your Risk of Kidney Cancer Through Lifestyle Changes

Even though there is no guaranteed way to prevent kidney cancer, lifestyle changes that address known risk factors can meaningfully reduce your risk.

Stop Smoking (or Never Start). Quitting smoking is the single most impactful lifestyle change you can make to lower your kidney cancer risk. Smoking is responsible for roughly 25–30% of kidney cancers in men and about 10–15% in women. The risk decreases after you quit, and over time, it continues to fall. Your doctor can connect you with resources to help you quit, including counseling, nicotine replacement therapy, and prescription medications.

Maintain a Healthy Weight. Obesity is a major and growing risk factor for kidney cancer. Reaching and maintaining a healthy weight through a balanced diet and regular physical activity can reduce your risk. Aim for at least 150 minutes of moderate exercise per week, and focus on a diet rich in fruits, vegetables, whole grains, and lean proteins. Even modest weight loss (5–10% of body weight) can have health benefits.

Manage High Blood Pressure. High blood pressure is a significant risk factor for kidney cancer. Work with your doctor to keep your blood pressure in a healthy range through diet (especially reducing sodium), regular exercise, limiting alcohol, and taking prescribed medications if needed.

Limit Exposure to Harmful Chemicals. If you work in an industry with exposure to trichloroethylene, cadmium, asbestos, or other kidney cancer-linked chemicals, follow all workplace safety protocols. Use proper protective equipment, ensure good ventilation, and comply with occupational health guidelines.

Stay Hydrated. Drinking plenty of water helps the kidneys work properly and flushes out waste products. While no study has definitively proven that hydration prevents kidney cancer, staying well-hydrated is good for overall kidney health.

Limit Alcohol. Heavy alcohol use is not a direct risk factor for kidney cancer, but it contributes to obesity and high blood pressure, both of which raise risk. Drinking in moderation (or not at all) supports overall health.

Consider Genetic Counseling. If you have a personal or family history of kidney cancer, especially at a young age, in both kidneys, or alongside other hereditary cancers, genetic counseling can help you understand your hereditary risk and whether testing makes sense for you. If a hereditary syndrome is identified, early and regular screening can catch cancers at an earlier, more treatable stage.

Sources:

1. American Cancer Society. Can Kidney Cancer Be Prevented? https://www.cancer.org/cancer/types/kidney-cancer/causes-risks-prevention/prevention.html
2. U.S. Preventive Services Task Force. Screening for Kidney Cancer. https://www.uspreventiveservicestaskforce.org/uspstf/topic_search_results?topic_status=P
3. National Cancer Institute. Renal Cell Cancer Prevention
4. Chow WH, Dong LM, Devesa SS. Epidemiology and risk factors for kidney cancer. Nature Reviews Urology. 2010;7(5):245–257.
5. American Cancer Society. ACS Guidelines for Diet and Physical Activity. https://www.cancer.org/cancer/risk-prevention/diet-physical-activity/acs-guidelines-nutrition-physical-activity-cancer-prevention.html