<prompt> Lehriche syndrome is characterized by presence of aerial insufficiency inAoo- iliac aerySuperficial femoral aeryTemporal aeryBrachial aery  <response>: Answer- A. Aoo- iliac aeryBrought on by walkingNot present on taking the first step unlike osteoahritisRelieved by standing stillThe pain of claudication is usually felt in the calf because the superficial femoral aery is the most commonly affected.Aooiliac disease 30 per cent of cases may cause thigh or buttock claudication.Buttock claudication in association with sexual impotence resulting from aerial insufficiency is eponymously called Leriches syndrome. It is very rare. 