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Sinuses
Sinuses


Definition:

A sinus x-ray is a picture of the air-filled cavities in the front of the skull.



Alternative Names:

Paranasal sinus radiography; x-ray - sinuses



How the test is performed:

X-rays are a form of electromagnetic radiation -- like light, but of higher energy. They can pass through the body to form an image on film. Structures that are dense (such as bone) look white, air looks black, and other structures are shades of gray.

A sinus x-ray is taken in a hospital radiology department or your health care provider's office. You will be asked to sit in a chair so that any fluids in the sinus may be easily seen on the pictures. The technician may place your head in different positions as the pictures are taken.



How to prepare for the test:

Tell your doctor if you are pregnant. Remove all jewelry.



How the test will feel:

Generally, there is little or no discomfort associated with x-rays.



Why the test is performed:

This test is performed when symptoms of sinusitis or other sinus disorders are present.



Normal Values:



What abnormal results mean:

The x-ray may detect tumors, obstructions, infections, and bleeding.

Additional conditions under which the test may be performed include:



What the risks are:

There is low radiation exposure. X-rays are monitored and regulated to provide the minimum amount of radiation exposure needed to produce the image. Most experts feel that the risk of most x-rays is smaller than other risks we take every day. Pregnant women and children are more sensitive to the risks of x-rays.



Special considerations:

A CT scan of the sinuses is often preferred over a sinus x-ray, because it shows more detail.




Review Date: 1/23/2008
Reviewed By: Alden J. Pearl, MD, Clinical Assistant Professor, Department of Otolaryngology, State University of New York Health Science Center at Brooklyn, Brooklyn, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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