Osteochondroma

Osteochondroma

– most common benign bone tumor arising in 2nd decade
– usu distal femur, proximal tibia & proximal humerus – disordered enchondral bone growth arising from metaphyseal surface of the bone adjacent to the physis
– may be sessile or pedunculated & grow away from the physis
– risk of malignant transformation to chondrosarcoma

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