
chondroblastoma
|

chondroblastoma
|

chondroblastoma
|

chondroblastoma
|

chondroblastoma
|

chondroblastoma
|

chondroblastoma
text slide - histology
|

chondroblastoma
tumor cells with well defined margins and round to oval nuclei
|

chondroblastoma
islands of eosinophilic cartilage surrounded by tumor cells, scattered giant cells
|

chondroblastoma
lattiice-like calcification
|

chondroblastoma
higher magnification showing folded and grooved nuclei
|

chondromyxoid fibroma
text slide - clinical
|

chondromyxoid fibroma
|

chondromyxoid fibroma
|

chondromyxoid fibroma
|

chondromyxoid fibroma
|

chondromyxoid fibroma
|

chondromyxoid fibroma
|

chondromyxoid fibroma
|

chondromyxoid fibroma
|

chondromyxoid fibroma
text slide - histology
|

chondromyxoid fibroma
small islands of cartilage surrounded by spindle cells
|

chondromyxoid fibroma
chondro-myxoid areas rimmed by spindle cells
|

chondromyxoid fibroma
higher magnification showing benign appearing cartilage
|

chondromyxoid fibroma
cartilage is myxoid in some areas
|

chondrosarcoma
text slide - clinical
|

chondrosarcoma
|

chondrosarcoma
|

chondrosarcoma
|

chondrosarcoma
|

chondrosarcoma
|

chondrosarcoma
|

chondrosarcoma
|

chondrosarcoma
|

chondrosarcoma
|

chondrosarcoma
|

chondrosarcoma
text slide - histology
|

chondrosarcoma
grade 1, lobulated
|

chondrosarcoma
grade 1 - frequent binucleate cells
|

chondrosarcoma
grade II
|

chondrosarcoma
grade II
|

chondrosarcoma
grade III
|

chondrosarcoma
grade III
|

chondrosarcoma
dedifferentiated where one sees low grade chondrosarcoma with adjacent high grade sarcoma, usually MFH
|

chondrosarcoma
necrosis
|

chondrosarcoma
text slide - clinical
|

chondrosarcoma
text slide - clinical
|

chondrosarcoma
text slide - clinical
|

osteoid osteoma
text slide - clinical
|

osteoid osteoma
|

osteoid osteoma
|

osteoid osteoma
|

osteoid osteoma
|

osteoid osteoma
|

osteoid osteoma
|

osteoid osteoma
text slide - histology
|

osteoid osteoma
interconnected trabeculae of bone with spindle cells in the intervening spaces
|

osteoid osteoma
scattered giant cells with prominent vascular spaces
|

giant cell tumor
text slide - clinical
|

giant cell tumor
|

giant cell tumor
|

giant cell tumor
|

giant cell tumor
|

giant cell tumor
|

giant cell tumor
|

giant cell tumor
|

giant cell tumor
|

giant cell tumor
|

giant cell tumor
|

giant cell tumor
text slide - histology
|

giant cell tumor
low magnification showing uniform distribution of large giant cells
|

giant cell tumor
the giant cells can contain up to 50 nuclei
|

osteosarcoma
text slide - clinical
|

osteosarcoma
text slide - clinical
|

osteosarcoma
|