Wilms’ tumor is a rare type of kidney cancer most common in young children. It is highly treatable, and most children go on to live their lives, especially if the disease is identified in early stages. Our team has the resources and experience to help ensure early diagnosis and successful treatment, as well as support services to help your child and family cope with the disease and its treatment. As Florida’s only member of the Memorial Sloan Kettering Alliance, Miami Cancer Institute is committed to fighting all kinds of pediatric cancer, including Wilms’ tumor. We also work with Nicklaus Children’s Hospital and other local partners to provide all the services and support your child might need.

What is Wilms’ tumor?

Wilms’ tumor, also called nephroblastoma, is a rare kidney cancer named after Max Wilms, the German doctor who wrote one of the first studies about the disease in 1899. It is the most common type of kidney cancer in children.

It is slightly more common among girls and African-Americans. It can metastasize or spread to other body tissues, most often the lungs, liver, the other kidney, the brain and the bones. Most Wilms’ tumors are unilateral, meaning they occur in one kidney only.

What are the risk factors for Wilms’ tumor?

Wilms’ tumor is slightly more common among girls than boys and among African-Americans than other ethnic groups. Some genetic disorders are linked to a higher risk.

What can you do to prevent Wilms' tumor?

Because known risk factors are not preventable, there are no recommended preventive measures.

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