A 12-year-old boy is brought to the physician by his mother for a 3-month history of increasingly awkward walking and intermittent hip pain. Physical examination shows an antalgic gait. He is 6’0″ and 190 pounds.
Which of the following is most likely to be seen in this patient?
A) Idiopathic avascular osteonecrosis
B) Increased unmineralized osteoid
C) Inflammation of the synovium
D) Poorly developed acetabulum
E) Posteroinferior displacement of the epiphysis
