Fibromuscular dysplasia CT

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Mohsen Basiri M.D.


Computed tomography angiography (CTA) has really excellent diagnostic exactness for FMD of the renal arteries. CTA may use in the diagnosis of FMD of the cervicocephalic arteries and to find associated intracranial lesions.

Computed Tomography Angiography

CTA and MRA, both have good sensitivity and specificity in detecting FMD-related RAS lesions, but due to better spatial resolution of CTA than MRA, CTA is the recommended imaging technique to confirm the diagnosis of renal artery FMD.[1]

In addition, CTA can detect distal lesions, small calcifications, and determining discrimination of atherosclerotic versus FMD lesions in older patients, and may thus be preferred to MRA.[2]


  1. G. Boudewijn C. Vasbinder, Patricia J. Nelemans, Alfons G. H. Kessels, Abraham A. Kroon, Jeffrey H. Maki, Tim Leiner, Frederik J. A. Beek, Michael B. J. M. Korst, Karin Flobbe, Michiel W. de Haan, Willem H. van Zwam, Cornelis T. Postma, M. G. Myriam Hunink, Peter W. de Leeuw & Jos M. A. van Engelshoven (2004). "Accuracy of computed tomographic angiography and magnetic resonance angiography for diagnosing renal artery stenosis". Annals of internal medicine. 141 (9): 674–682. PMID 15520423. Unknown parameter |month= ignored (help)
  2. Sheela T. Patel, Joseph L. Sr Mills, Gerlinde Tynan-Cuisinier, Kaoru R. Goshima, Alex Westerband & John D. Hughes (2005). "The limitations of magnetic resonance angiography in the diagnosis of renal artery stenosis: comparative analysis with conventional arteriography". Journal of vascular surgery. 41 (3): 462–468. doi:10.1016/j.jvs.2004.12.045. PMID 15838481. Unknown parameter |month= ignored (help)

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