A 19-year-old woman, Academy of Sport student, noticed a progressive bluish discoloration, swelling and pain of the right hand and axilla during abduction. The symptoms had been progressive for 6 months. During physical examination there was a normal sensibility and motor function, and normal pulsations of the radial and ulnar artery. There was no significant medical history. A thorax aperture radiograph was performed, followed by venography of the right arm in neutral position and with abduction.