System: Bone: Osseous: Neoplastic: Osteosarcoma, Low Grade Type
giant cells Image
1 Image
making some osteoid Image
might be better than image 3 Image
low power shows this is the "fibrous dysplasia" like variant Image
low power again Image
This low grade osteosarcoma consists of a 9 cm mass involving the chest wall. there is mottled hemorrhage Image