Macroaneurysm in a Renal Fibromuscular Dysplasia

Abstract

A 25-year-old woman presented with a headache. The general practitioner diagnosed hypertension 18 months previously, no regular antihypertensive medication was started, and the patient took bisoprolol as needed. There was no family history of hypertension. Physical examination revealed a blood pressure of 195/115 mm Hg in both arms. Renal function tests and serum potassium was normal. A renal ultrasound showed a slightly smaller left kidney. Renal artery duplex ultrasonography showed signs of a renal artery stenosis (narrowing and an aliasing effect in the left renal artery (Figure 1A arrow) with a peak velocity of …