Fig. 4From: Chondroblastoma of the patella with secondary aneurysmal bone cyst, an easily misdiagnosed bone tumor:a case report with literature reviewPostoperative imaging data (a-c). The fenestration for the focus was found to be reasonable in the postoperative reconstructed, axial, and sagittal CT, and patella-reconstructed CT (d-f). X-rays and CT scans showed that the grafted bone had been partly incorporated with the host bone 2 months after the operation (g-i). Two months after the operation, the range of motion of the knee joint was normalBack to article page