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Extremity x-ray

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X-ray

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Extremity x-ray

Definition:

X-rays of the extremities (the hand, wrist, foot, and ankle) are images of internal structures. X-rays are a form of electromagnetic radiation like light, but of higher energy, so they can penetrate the body to form an image on film. Structures that are dense (such as bone) will appear white, air will be black, and other structures will be shades of gray. (See also bone x-ray.)

How the test is performed:

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Extremity x-rays are performed in a hospital radiology department or in the health care provider's office by an x-ray technician. You will be asked to position the extremity to be x-rayed on the table. The pictures are then taken, usually with repositioning of the extremity for different views.

How to prepare for the test:

Inform the health care provider if you are pregnant. Remove all jewelry from the area being imaged.

Infants and children:

The preparation you can provide for this test depends on your child's age, previous experiences, and level of trust. For general information regarding how you can prepare your child, see the following topics:

• Infant test or procedure preparation (birth to 1 year)
• Toddler test or procedure preparation (1 to 3 years)
• Preschooler test or procedure preparation (3 to 6 years)
• Schoolage test or procedure preparation (6 to 12 years)
• Adolescent test or procedure preparation (12 to 18 years)

How the test will feel:

In general, there is no discomfort, although you may be slightly uncomfortable while the extremity is positioned for the x-ray.

Why the test is performed:

Extremity x-ray is used to detect fractures, tumors, or degenerative conditions of the extremity.

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