Normal MRI pelvis (fistula protocol)
Crohn disease. Discharge. Suspected fistula in ano
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Multiplanar pre-and post-contrast small field of view MR imaging of the pelvis has been obtained.
Anal canal, levator ani complex are normal in appearance. There is no evidence of fissure or fistula. No inflammation or fluid collection in the usual renal fossa or neither rectum. The bones are normal.
Conclusion: No evidence of perianal fistula. No cause for perianal discharge identified.
Example of normal MRI pelvis small field of view, with intravenous contrast for assessment of fistulating IBD.