A biopsy is done to remove tissue or cells from the body for exam under a microscope. The tissue sample is removed with a needle to check for cancer or other abnormal cells. It also helps check how well the kidney is working.

A kidney scan is a specialized radiology procedure used to assess the function and structure of the kidneys, as well as the perfusion (blood flow) to the kidney tissue.

A kidney transplant is a surgery done to replace a diseased or injured kidney with a healthy kidney from a donor. The kidney may come from a deceased organ donor or from a living donor.

A kidney ultrasound is an imaging test that uses sound waves to look at your kidneys. It can check the size, shape, and location of your kidneys. It also lets your healthcare provider see how well blood is flowing in your kidneys.

This type of X-ray may be done to check the stomach for causes of stomach pain. It may also be done to check the organs and structures of the urinary or GI system. The X-ray may be the first diagnostic procedure used to check the urinary system.

Ligaments surround a joint to give it support and limit its movement. A torn ligament severely limits knee movement. Surgery is a choice to repair a torn ligament if other treatment does not work.

When your knee is badly damaged by disease or injury, an artificial knee replacement may be considered. During knee replacement surgery, your joint surfaces are replaced by prostheses. These are plastic and metal parts that are used to replace your joint surfaces. Read on to learn more.