Fig. 3

Immunohistochemistry with monoclonal antibody VS38c showing: a strong staining of cartilage tumour cells in high-grade chondrosarcoma; b absence of staining of cartilage tumour cells in low-grade chondrosarcoma; c in dedifferentiated chondrosarcoma absence of staining in the low-grade chondrosarcoma component and strong staining in the dedifferentiated pleomorphic sarcoma component. (original magnification: a ×400; b ×400; c ×100)