The test is typically ordered when a patient presents with symptoms such as anal pain, swelling, discharge, or recurrent infections in the anal region, which may indicate the presence of an anal fistula.
When this test is required
The test is requested when a patient presents with symptoms suggestive of an anal fistula or has undergone surgery to treat an anal fistula.
What the Test Detects
The test uses magnetic fields and radio waves to produce detailed images of the anal region. The MRI machine generates images of the internal structures of the anal canal, including the extent, location, and direction of the fistula tract.
Preparation for the Test
There is no specific preparation needed for this test. However, you should inform your doctor if you have any metallic implants in your body or if you are pregnant.
Sample Requirements
No sample is required for this test.
Additional Notes
The MRI Anal Fistula Without Contrast is a safe and non-invasive procedure, but it may not be suitable for patients with certain metallic implants or who are pregnant. If you have any concerns or questions about the test, speak with your doctor.