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When your knee is badly damaged by disease or injury, a 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.

Arthroscopy is a minimally-invasive procedure used to diagnose and treat conditions affecting joints. The doctor can directly view the internal structures of a joint using an instrument called an arthroscope. An arthroscope is a small, tube shaped instrument that is used to look inside a joint.

A liver transplant is surgery to replace a diseased liver with a healthy liver from another person. Read on to learn more.

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 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.

A renal venogram is an imaging test to look at the veins in and around your kidneys. Your doctor may also use the test to find out what is causing your high blood pressure (hypertension).

A chest ultrasound is an imaging test that uses sound waves to look at the structures and organs in your chest. It can help your doctor see how well your lungs and heart are working.

A lung scan is an imaging test to look at your lungs and help diagnose certain lung problems. A lung scan may also be used to see how well treatment is working.

A breast biopsy is a small piece of breast tissue that is removed and checked in a lab. This is done to see if cancer or other abnormal cells are present.