S. Partovi et al., LOW-GRADE PAROSTEAL OSTEOSARCOMA OF THE ULNA WITH DEDIFFERENTIATION INTO HIGH-GRADE OSTEOSARCOMA, Skeletal radiology, 25(5), 1996, pp. 497-500
This report describes a low-grade parosteal osteosarcoma of the ulna w
ith dedifferentiation into high-grade osteosarcoma. The clinical, path
ological, and imaging findings are described and discussed.