This test is typically ordered to investigate the cause of chronic sinusitis, headaches, or other nasal and sinus symptoms. It can help diagnose sinus infections, tumors, or structural abnormalities that may be obstructing the nasal passage.
When this test is required
This test is typically ordered when a patient is experiencing persistent or recurrent sinus infections, headaches, or nasal obstruction. It may also be used to monitor the progression of a known sinus condition or to assess the effectiveness of treatment.
What the Test Detects
The MRI PNS produces detailed images of the nasal cavity and paranasal sinuses. This allows doctors to see the extent of any inflammation, infection, or structural abnormalities within the sinuses. The test does not involve any exposure to radiation, making it a safer option than other imaging tests, such as CT scans.
Preparation for the Test
No specific preparation is required for an MRI of the PNS. However, patients should inform their doctor if they have any metal implants, such as pacemakers, aneurysm clips, or cochlear implants, as these can interfere with the MRI machine.
Sample Requirements
No sample is required for this test.
Additional Notes
As with any MRI test, patients will need to lie still during the procedure, which may take up to 30 minutes or longer to complete. Patients with claustrophobia may find the experience challenging and may benefit from medication to help them relax during the test. It is also important to remove any metal objects, such as jewelry, before entering the MRI machine.
