Low-grade central osteosarcoma of the rib

  title={Low-grade central osteosarcoma of the rib},
  author={Takehiko Yamaguchi and Kazuhiko Shimizu and Yasumori Koguchi and Koichi Saotome and Yoshihiko Ueda},
  journal={Skeletal Radiology},
We report a case of low-grade central osteosarcoma of the rib, mimicking fibrous dysplasia protuberans or parosteal osteosarcoma. A 13-year-old boy presented with a densely ossified exophytic tumor in the left sixth rib. The surgically resected rib revealed an ossified tumor that had developed within bone and had formed an exophytic mass. Microscopic… CONTINUE READING