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11 Cards in this Set

  • Front
  • Back
Conventional Osteosarcoma
72% of cases.
Of these, 75% are central sclerotic and 25% are lytic
Parosteal Osteosarcoma
4% of cases
Distal Femur Metaphysis
Poor outcome
Periosteal Osteosarcoma
1% of cases
PAINFUL, with pain progression
Insidious onset
Multifocal Osteosarcoma
(osteosarcomatosis)
1% of cases
VERY painful
<10yoa
Osteosarcoma of the jaw
6% of cases
30-40yoa
Poast radiation Osteosarcoma
4% of cases
Radiopaque
Codman's Triangle
Osteosarcoma in Paget Disease
3% of cases
Motheaten/Permeative
Osteosarcoma degeneration from benign condition
1% of cases
Spiculated
ex: fibrous dysplasia becomes Os.
Telangiectactic Osteosarcoma
3% of cases
Periosteal rxn
Dedifferentiated Osteoscarcoma
3% of cases
Big tube bones affected
58% occur at the knee
Extraskeletal Osteosarcoma
<1% of cases
Can lead to cannonball mets