External Iliac Artery Endofibrosis in a Young Cyclist

An 18-year-old cyclist was referred to the laboratory for unexplained pain in his left lower limb during exercise. He had started competition at 14 years of age and had cycled ≈10 000 km/y in the preceding 5 years. He had complained for 18 months of a subjective sensation of a painful and swollen left thigh at maximal exercise. Different …