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

Figure 1

MRI coronal (a) and sagittal (b) T2 fat saturation images at initial presentation for right knee pain status after hyperextension in 2011. The arrows indicate a round T2 heterogeneous but mostly hypointense subcortical intraosseous lesion arising in the posterior aspect of the medial distal femoral metaphysis. There was also a complete ACL tear and knee joint effusion.

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