‣Description of Osteofibrous DysplasiaAge: skeletally immature - (< 10 yo)L: anterior tibial shin, diaphyseal, eccentricA: Heterogenous, areas of lysis and sclerosisR: Narrow zone of transition, No periosteal reactionM: Ground glass appearance‣Age of presentation?< 10 yo‣Is OFD painful?Clinical – painless anterior shin swelling‣Investigation?Need biopsy TRO adamantinoma‣Management of OFD?Benign lesion that seldom progressions ➔ observation is OKCurretage has high risk of recurrence and should be limited to extensive lesionshttps://www.ncbi.nlm.nih.gov/books/NBK563281/