Abstract
Hoffa fracture (HF) typically involves the posterior femoral condyle in the sagittal
plane, with an estimated incidence of 0.65% among femoral fractures. It usually occurs
at the lateral femoral condyle in high-energy trauma with axial load force over the
distal third of the femur and the knee positioned in more than 90° of flexion. The
case reported involved a patient with a complex medial HF and associated knee dislocation
after a high-energy trauma. At two years of follow-up radiologic analysis showed a
complete bone healing and allograft integration. Transplantation of osteochondral
allografts should be considered in cases of complex HF, and it aims at restoring the
anatomy of the joint surface to prevent early post-traumatic osteoarthrosis in young
patients.
Keywords
allografts - femoral fractures - knee dislocation - osteochondritis
