Infantile Blount disease results from deceleration of growth by the proximal posteromedial tibial physis causing tibia vara. In advanced disease stages, surgical treatment is indicated. Owing to the young age and advanced Langenskiöld stage in this patient, a novel technique was performed combining lateral proximal physeal tethering with medial hemiplateau elevation osteotomy to correct the articular surface and unload the medial proximal tibial physis.
Together, these procedures allow for correction of alignment while preserving growth potential. This technique was successful in correcting tibia vara due to infantile Blount disease while allowing continued growth in a 5-year-old patient.