Hip pain without injury.

pain that had worsened over four weeks. He was a member of his college’s soccer team, but had no history of falls or recent trauma. He had similar hip pain two years earlier that was self-limited, but the rest of his medical history was unremarkable. He had no bowel or bladder symptoms. Although over-the-counter pain medication was initially effective, he was eventually unable to play soccer. On physical examination, the patient walked with an antalgic gait. He was afebrile and had normal vital signs. His musculoskeletal examination revealed normal spinal curvature, nontender pelvic region, and equal leg length. He had tenderness with extreme flexion and rotation of the right hip, which reduced his range of f lexion. Range of motion in the other joints was normal. Pelvic radiography was performed (Figures 1 and 2).