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Sinus X-ray

(Sinus Films)

Procedure overview

What is a sinus X-ray?

A sinus X-ray is a type of X-ray used to obtain images of the sinuses. The sinuses are air-filled cavities lined with mucous membranes located within the bones of the skull.

During a sinus X-ray, X-rays pass through the sinuses and form an image on a special type of film. The sinuses are usually filled with air, which appears black on X-ray film. An opaque (whitened) area on an otherwise normal film may indicate the presence of sinusitis (inflammation of the mucous membranes of the sinuses), hemorrhage, tumor, or other problems.

As computerized tomography (CT scan) and magnetic resonance imaging (MRI) technologies are often able to provide improved imaging of the sinuses, the use of these scans may replace sinus X-rays in certain circumstances.

Other related procedures that may be used to evaluate problems of the sinuses include X-rays of the skull, CT scan of the brain, and MRI of the brain and spine. Please see these procedures for more information.

What is an X-ray?

X-rays use invisible electromagnetic energy beams to produce images of internal tissues, bones, and organs on film. X-rays are made by using external radiation to produce images of the body, its organs, and other internal structures for diagnostic purposes. X-rays pass through body structures onto specially-treated plates (similar to camera film) and a "negative" type picture is made (the more solid a structure is, the whiter it appears on the film).

What are the sinuses?

The sinuses are cavities, or air-filled pockets, that are near the nasal passage. There are four different types of sinuses:

The lining of the sinuses is similar to the lining of the nose.

Reasons for the procedure

A sinus X-ray may be performed to detect injury or other problems in the sinuses, to assess inflammation or infection, or to determine the location and size of a tumor or other mass. The procedure may also be used to evaluate the patient after sinus surgery.

Advantages of a sinus X-ray are that it is simple, quick, noninvasive, relatively inexpensive, and can give the doctor useful information. However, a disadvantage is that a sinus X-ray can determine only that a problem exists, not the specific cause of the problem.

There may be other reasons for your doctor to recommend a sinus X-ray.

Risks of the procedure

You may want to ask your doctor about the amount of radiation used during the procedure and the risks related to your particular situation. It is a good idea to keep a record of your past history of radiation exposure, such as previous scans and other types of X-rays, so that you can inform your doctor. Risks associated with radiation exposure may be related to the cumulative number of X-ray examinations and/or treatments over a long period of time.

If you are pregnant or suspect that you may be pregnant, you should notify your health care provider. Radiation exposure during pregnancy may lead to birth defects. If it is necessary for you to have a sinus X-ray, special precautions will be made to minimize the radiation exposure to the fetus.

There may be other risks depending on your specific medical condition. Be sure to discuss any concerns with your doctor prior to the procedure.

Before the procedure

During the procedure

A sinus X-ray may be performed on an outpatient basis or as part of your stay in a hospital. Procedures may vary depending on your condition and your doctor's practices.

Generally, a sinus X-ray follows this process:

While the X-ray procedure itself causes no pain, the manipulation of the body part being examined may cause some discomfort or pain, particularly in the case of a recent injury or invasive procedure such as surgery. The radiologic technologist will use all possible comfort measures and complete the procedure as quickly as possible to minimize any discomfort or pain.

After the procedure

Generally, there is no special type of care following a sinus X-ray. However, your doctor may give you additional or alternate instructions after the procedure, depending on your particular situation.

Sinus X-ray - WellSpan Health

Author: Hitt, Emma
Online Medical Reviewer: MMI board-certified, academically affiliated clinician
Online Medical Reviewer: Moloney Johns, Amanda, PA-C, MPAS, BBA
Last Review Date: 2014-01-06T00:00:00
Last Modified Date: 2014-01-16T00:00:00
Posting Date: 2008-11-30T00:00:00
Published Date: 2014-01-16T00:00:00
Last Review Date: 2007-03-30T00:00:00
© 2015 WellSpan Health. All Rights Reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.

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