Distal Femoral Osteotomy (DFO, Internal Fixation)

Distal Femoral Osteotomy (DFO) may be considered when genu varum is mainly due to abnormal distal femoral angle or mechanical axis deviation affecting knee mechanics. Whether to implement it depends on the source and degree of deformity, cartilage and ligament condition, previous treatment response, whether single/double-level correction is required, as well as age, activity requirements, and comprehensive systemic assessment.