case_images: PMC5974668_01
case_images: Pre-operative anteroposterior, lateral, and pat merchant X-ray views of the right knee show absent patella and medial compartment narrowing with mild ell varus deformity and joint line osteophytes.
case_images: JOCR-8-11-g001.jpg
case_images: PMC5974668_01_JOCR-8-11-g001.jpg
case_images: F1
case_images: The right knee radiographs, including anteroposterior, lateral, merchant, and posteroanterior views, revealed an absent patella, medial compartment narrowing with mild, correctible varus deformity of approximately 5  and medial joint line osteophytes (Fig. 1).
case_images: Pre-operative sagittal and axial magnetic resonance imaging cuts of the right knee show exposed bone over the weight-bearing medial femoral condyle and absent patella.
case_images: JOCR-8-11-g002.jpg
case_images: PMC5974668_01_JOCR-8-11-g002.jpg
case_images: F2
case_images: Finally, the patellar tendon was laterally subluxed over the anterolateral trochlear margin on extension views (Fig. 2).
case_images: Post-operative anteroposterior and lateral X- ray views of the right knee show excellent component alignment with recreation of the medial joint space.
case_images: JOCR-8-11-g003.jpg
case_images: PMC5974668_01_JOCR-8-11-g003.jpg
case_images: F3
case_images: Varus deformity was corrected to 1 degree of residual varus (Fig. 3).