| Medical Dictionary |
A Medical Dictionary of Medical Terminology
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Wilms tumor is a rare type of kidney cancer. It causes a tumor on one or both kidneys. It usually affects children, but can happen in adults. Having certain genetic conditions or birth defects can increase the risk of getting it. Children that are at risk should be screened for Wilms tumor every three months until they turn eight.
Symptoms include a lump in the abdomen, blood in the urine, and a fever for no reason. Tests that examine the kidney and blood are used to find the tumor.
Doctors usually diagnose and remove the tumor in surgery. Other treatments include chemotherapy and radiation and biologic therapies. Biologic therapy boosts your body's own ability to fight cancer.
NIH: National Cancer Institute
You have two kidneys. They are fist-sized organs on either side of your backbone above your waist. The tubes inside filter and clean your blood, taking out waste products and making urine. Kidney cancer forms in the lining of tiny tubes inside your kidneys.
Kidney cancer becomes more likely as you age. Risk factors include smoking, having certain genetic conditions, and misusing pain medicines for a long time.
You may have no symptoms at first. They may appear as the cancer grows. See your health care provider if you notice:
Tests to diagnose kidney cancer include blood, urine, and imaging tests. You may also have a biopsy.
Treatment depends on your age, your overall health and how advanced the cancer is. It might include surgery, chemotherapy, or radiation, biologic, or targeted therapies. Biologic therapy boosts your body's own ability to fight cancer. Targeted therapy uses drugs or other substances that attack specific cancer cells with less harm to normal cells.
NIH: National Cancer Institute
Cancer is a group of related diseases. In all types of cancer, some of the body's cells begin to divide without stopping and spread into surrounding tissues.
Normally, new cells form as you need them, replacing old cells that die. Sometimes, this process goes wrong. New cells form when you don't need them, and old cells don't die when they should. The extra cells can form a tumor. Tumors can be benign or malignant. Benign tumors aren't cancer. Malignant tumors are cancer, and the cancer cells can spread to nearby tissues. They can also break away and spread to other parts of the body.
Children can get cancer in the same parts of the body as adults, but there are differences. Childhood cancers may happen suddenly, without early symptoms. Some types can often be cured. The most common children's cancer is leukemia. Some of the other more common types of cancer in children include brain tumors, lymphoma, and soft tissue sarcoma.
Symptoms and treatment depend on the type of cancer and how advanced it is. Treatments may include:
NIH: National Cancer Institute