Secondary Chondrosarcoma Presenting with Symptoms Similar to Thoracic Outlet Syndrome

Figure 5

Histology of the resected tumor with hematoxylin and eosin stain. (a) On low-power view, the tumor has three layers: superficial perichondrium, thickened cartilage cap with lobular architecture, and endochondral ossification in the base. (b) On higher magnification (square area in (a)), increased cellularity and mild nuclear atypia of the neoplastic chondrocytes are noted.

(a)

(b)