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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.

An endometrial biopsy is a procedure to take a small tissue sample from the lining of the uterus, called the endometrium. Read on to learn what to expect before, during, and after this procedure.

Hysteroscopy is the exam of the inside of the cervix and uterus using a thin, lighted, flexible tube called a hysteroscope. Your healthcare provider inserts the device through the vagina.

Laparoscopy uses a thin lighted tube that has a video camera. The tube is called a laparoscope. It is put into a tiny cut or incision in your belly. The video camera images can be seen on a computer screen.

In cardiac catheterization (often called cardiac cath), a very small hollow tube, or catheter, is advanced from a blood vessel in the groin, arm, or neck through the aorta into the heart. Once it is in place, several diagnostic and treatment procedures can be done using catheterization.