Case Report

Giant Cell Tumor of Bone: Documented Progression over 4 Years from Its Origin at the Metaphysis to the Articular Surface

Figure 2

Frontal view radiographs of the right knee obtained (a) 2 years and (b) 4 years after initial imaging demonstrate a closed physis with progressive enlargement of a well-circumscribed, nonsclerotic, eccentric lucent lesion, as indicated by the arrows, at the medial femoral condyle abutting the articular surface.
(a)
(b)