Facebook Icon Twitter icon Instagram icon Feedback

Parosteal Osteosarcoma

prev slide 76 of 92 next
No Image


Higher magnification of the previous image. The spindle cell proliferation is more cellular than that seen in the previous example (images 52-54); however, it still lacks atypia or increased mitotic activity. Dedifferentiation does occur in a small number of cases and it significantly worsens the prognosis. In the absence of dedifferentiation, wide local excision is the treatment of choice. Long-term survival rates are in the range of 80% to 90%.

prev slide 76 of 92 next