Intraosseous Synovial Sarcoma of the Proximal Tibia
Figure 3
(a) Photomicrograph of intraosseous synovial sarcoma. The tumor is present in the medullary cavity of the bone (left), infiltrates the cortex, and expands the haversian systems. (Stain, hematoxylin, and eosin; original magnification, ×40). (b) Photomicrograph of intraosseous synovial sarcoma. The tumor shows a typical biphasic pattern with glandular differentiation admixed with spindle-shaped cells. (Stain, hematoxylin, and eosin; original magnification, ×400).
