Fibromuscular dysplasia diagnostic study of choice

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

Overview

Catheter-based angiography is the gold standard test for the diagnosis of renovascular fibromuscular dysplasia. Imaging modilities are the methods for diagnosing FMD. Duplex ultrasonography, accompanied by computed tomographic angiography (CTA), and magnetic resonance angiography (MRA), are imaging techniques for detecting FMD lesions but the gold standard remains catheter-based angiography.

Diagnostic Study of Choice

Study of choice

• Catheter-based angiography is the gold standard test for the diagnosis of renovascular fibromuscular dysplasia.

• The following result of Catheter-based angiography is confirmatory of fibromuscular dysplasia:

• Multifocal FMD: Imaging may reveal the classic string of beads appearance. (Image 1)

  

Focal FMD: Imaging may reveal a concentric, smooth, band-like focal stenosis or a tubular stenosis (image 2)

• Extreme arterial tortuosity. This is most common in the carotid, vertebral, and coronary arteries.