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Biopsy for kidney cancer

What is a biopsy?

During a biopsy, a doctor removes a sample of tissue or fluid from the body. A pathologist inspects the cells under a microscope to see if they are cancerous. If the cells are found to be cancerous, a biopsy can help determine whether the cancer began at the site of the biopsy, or if it started somewhere else in the body and spread to the biopsy site.

Some biopsies are performed under image guidance, such as ultrasound, computed tomography (CT) or magnetic resonance imaging (MRI). This allows your doctor to collect cells from deeper inside the body. Depending on the type of biopsy performed, you will receive an anesthetic to minimize any pain.

Compared with other diagnostic tests for cancer, biopsies often provide a more definitive diagnosis. A biopsy can help determine whether the cancer began at the site of the biopsy sample, or if it started somewhere else in the body and spread to the site of the biopsy sample.

Some sites that are commonly biopsied include the breast, skin, bone marrow, GI tract, lung, liver, bladder, colon and lymph nodes. Our doctors determine the most appropriate method of biopsy based on several factors, such as the size, shape, location, and characteristics of the abnormality.

Biopsy medical animation

Video: Biopsy Medical Animation

Medical animation

Biopsy for kidney cancer

If an imaging test shows evidence of a possible malignant tumor, a core needle or fine needle biopsy may be performed to determine if the mass is cancerous. We perform both of these diagnostic tests under local anesthesia, by inserting a needle directly into the tissue. The extracted tissue or cells are then inspected under a microscope to diagnose and stage the tumor.

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