Giant cell tumors of bone are relatively common benign bone tumors and typically arise from the metaphysis of long bones, extend into the epiphysis adjacent to the joint surface.
They may present insidiously with bone pain, and 80% of cases are reported between the ages of 20 and 50. Furthermore, they are also relatively frequently coexist with aneurysmal bone cysts.
It is important to carefully examine the radiograph, as an early detected and treatment may prevent complications such as a pathological fracture.