In-depth

Tests and diagnosis

MRI

MRI uses a magnetic field and radio waves to create detailed images of the organs and tissues within your body.

Ultrasound

Ultrasound imaging uses high-frequency sound waves to create images of structures in your body.

X-ray

X-rays are a form of radiation that can make images of your bones and internal organs.

Treatments and drugs

Arthroscopy

Got a painful joint? With arthroscopy, you can find out why — and get relief.

Knee replacement

Find out what to expect before, during and after knee replacement surgery.

Jun. 16, 2012