Chondroblastoma of the Knee Treated with Resection and Osteochondral Allograft Reconstruction

Figure 1

Axial (a), sagittal (b), and coronal (c) images from preoperative CT scan demonstrating a lytic lesion in the medial femoral condyle with lobulated well-defined margins and depression of the subchondral bone at the lesion border.

(a)

(b)

(c)