Osteochondroma transform into secondary low grade chondrosarcoma with similar histology features: Case report

Osteochondroma is the most common form of benign bone tumors. Chondrosarcoma a rare malignant tumor that may be primary or secondary. We report case 19-year-old man with low grade chondrosarcoma secondary to transformation osteochondroma right distal femur. Here we discuss osteochondroma, chances malignancy chondrosarcoma, work up done in our case, histopathological features differentiate from as well treatment options have shown significant benefits patient’s outcomes.