A skull x-ray is a picture of the bones surrounding the brain, including the facial bones, the nose, and the sinuses.
You will be asked to lie on the x-ray table or sit in a chair. Your head may be placed in different positions.
Inform the health care provider if you are pregnant. Remove all jewelry.
Generally, there is little or no discomfort during an x-ray. If there is a head injury, positioning the head may be uncomfortable.
Your doctor may order this test if you you have injured your skull or you have symptoms or signs of a structural problem inside the skull (such as a tumor or bleeding).
A skull x-ray is also used to evaluate an unusually shaped child's head.
Additional conditions under which the test may be performed include the following:
Abnormal results may be due to:
A skull x-ray may detect increased intracranial pressure and unusual skull structures that are present at birth (congenital).
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 is low compared with the benefits. Pregnant women and children are more sensitive to the risks associated with x-rays.
A CT scan of the head is usually preferred to a skull x-ray to evaluate most head injuries or brain disorders. Skull x-rays are rarely used as the main test to diagnose such conditions.
X-ray - head; X-ray - skull; Skull radiography; Head x-ray
Stevens JM. Cranial and intracranial disease: trauma, cerebrospinal fluid disturbances, degenerative disorders and epilepsy. In: Grainger RC, Allison D, Adam, Dixon AK, eds. Diagnostic Radiology: A Textbook of Medical Imaging. 5th ed. New York, NY: Churchill Livingstone; 2008:chap 5.
Updated by: Javed Qureshi, MD, American Board of Radiology, Victoria Radiology Associates, Victoria, TX. Review provided by VeriMed Healthcare Network. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, David R. Eltz, and Stephanie Slon.
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