Abstract

Renal Fibro Muscular Hyperplasia (FMH) is an abnormal condition which causes a “banding” or “string of pearls” effect of the the arterial wall. This “beading” typically results in stenosis of the renal arteries, but may also be present within the carotid arteries or other peripheral arteries. FHH is often associated with AV fistulas, where the artery and vein have an abnormal connection. FMH is seen predominately in the female population whom present with uncontrolled hypertension. The etiology is suspected to be genetic, but confirmation has not been established. The diagnosis of FMH must be confirmed with CTA, MRA or conventional angiographical correlation. This case study demonstrates an unforeseen finding of an AV fistula with CTA and angiogram and the correlative of doppler waveforms seen with renal artery stenosis.

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