%0 Journal Article %T Low grade central osteosarcoma dedifferentiating into a high grade leiomyosarcoma in a young adult %J - %D 2017 %R 10.4038/jdp.v12i1.7735 %K Low grade central osteosarcoma %K Dedifferentiated sarcoma %K Osteosarcoma %U https://jdp.sljol.info/articles/10.4038/jdp.v12i1.7735/