Chondroblastoma of the Knee Treated with Resection and Osteochondral Allograft Reconstruction

Figure 2

Mononuclear neoplastic cells with intermixed multinucleated giant cells (right), tumor cells surrounded by dark blue “chicken wire” calcifications (left center), and fibrochondroid islands (left) (hematoxylin and eosin stain, 20x magnification).