This test is usually ordered to diagnose or evaluate conditions affecting the head and neck, such as tumors, infections, and other abnormalities. It can help identify the location, size, and extent of any abnormalities.
When this test is required
This test may be requested by a doctor if they suspect a condition affecting the head and neck area, such as a tumor or infection. It may also be requested as a follow-up to other imaging tests, or to monitor the effectiveness of treatment.
What the Test Detects
This test produces detailed images of the soft tissues and blood vessels in the head and neck area. A contrast dye is injected into a vein in the arm to highlight the blood vessels and enhance the images.
Preparation for the Test
You may be asked to avoid eating or drinking for a few hours before the test, depending on the area being imaged. You may also be asked to remove any metal objects, such as jewelry, before the test.
Sample Requirements
No sample is required for this test.
Additional Notes
The contrast dye used in this test may cause mild side effects such as nausea, vomiting, or a metallic taste in the mouth. In rare cases, it may cause an allergic reaction or kidney damage. Be sure to inform your doctor if you have any allergies or kidney problems.