fig1

Figure 1. CT scan image of femoral peripheral secondary chondrosarcoma in patient with hereditary multiple osteochondromas with characteristic cortical flaring at the junction of the host bone with the stalk of the neoplasia (A); Macroscopic image of exophytic osteocartilaginous neoplasm containing a glistening cartilaginous cap more than 2 cm thick (B); Cartilaginous cap at the interphase with bone stalk, which is continuous with the host medullary canal (H&E; 25X) (C); Disorganized, hypercellular and atypical hyaline cartilage arranged in lobules separated by fibrous bands (H&E; 50X) (D)