“…Several studies have shown that renal artery stenosis caused by ®bromuscular dysplasia can be treated with good longterm results by percutaneous transluminal angioplasty [1,2,3,8,9], however, the applicability of this technique is limited in young children by the small size of their vessels. There are only few children reported in the literature who were treated at an age of less than 4 years [1,2,4,10]. To the best of our knowledge, our patient is the youngest child who underwent successful balloon angioplasty of renal artery stenosis.…”