Cytokeratin-Positive Osteosarcoma Simulating Sarcomatoid Metastatic Carcinoma

<div>Latest follow-up XR of the distal femur reconstruction, two views. Status postresection of the distal femur with megaprosthesis replacement that is incorporated in a right knee arthroplasty.</div>

Case Reports in Orthopedics

fig7

Figure 7

Figure 7: Cytokeratin-Positive Osteosarcoma Simulating Sarcomatoid Metastatic Carcinoma 