Figure 3

Osteochondral lesion in hip joint. (A) A 27-year-old men with hip TSGCT. An anterior–posterior radiograph showed osteolytic lesion in left femoral head and neck region (arrowheads), however there is no obvious osteoarthritic change at initial examination. (B) Three years after tumor resection. After surgery for TSGCT, osteoarthritic change occurred (arrows).