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X-Ray Exam: Wrist

Reviewed by: Larissa Hirsch, MD
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What's an X-Ray?

An X-ray is a safe and painless test that uses a small amount of radiation to make an image of bones, organs, and other parts of the body.

The X-ray image is black and white. Dense body parts, such as bones, block the passage of the X-ray beam through the body. These look white on the X-ray image. Softer body tissues, such as the skin and muscles, allow the X-ray beams to pass through them. They look darker on the image.

X-rays are commonly done in doctors’ offices, radiology departments, imaging centers, and dentists’ offices.

What's a Wrist X-Ray?

In a wrist X-ray, an X-ray machine sends a beam of radiation through the wrist, and an image is recorded on special X-ray film or a computer screen. This image shows the soft tissues and the ends of the forearm bones (radius and ulna) and eight small wrist bones (carpal bones).

An X-ray technician will take pictures of the wrist: 

  • from the back with the palm facing down (posteroanterior, or PA, view)
  • from the side (lateral view, or lat)
  • at an angle (oblique view)

Occasionally doctors request an X-ray of the opposite wrist for comparison.

Wrist X-rays are done while a child sits and places their hand and wrist on the table. They should stay still for 2–3 seconds while each X-ray is taken so the images are clear. If an image is blurred, the X-ray technician might take another one.

Why Are Wrist X-Rays Done?

A wrist X-ray can help doctors find the cause of pain, tenderness, or swelling, or show deformities of the wrist joint. It can also show broken bones or dislocated joints. After a broken bone has been set, an X-ray can show if the bones are aligned and if they have healed properly.

An X-ray can help doctors plan surgery, when needed, and check the results after it. It also can help detect cysts, later-stage infections, tumors, and other diseases in the bones. A wrist X-ray may also be done as part of a bone age study, which can help doctors diagnose disorders that affect proper growth.

What if I Have Questions?

If you have questions about the wrist X-ray or what the results mean, talk to your doctor.

Reviewed by: Larissa Hirsch, MD
Date reviewed: March 2022