Fig. 1From: Maturation process of regenerated tissues after single-stage simultaneous autologous particulated cartilage implantation and open wedge high tibial osteotomy for articular cartilage defects with medial osteoarthritis of bilateral knees: a case report(a) Radiographical examination using a standing full weight-bearing lower extremity teleroentgenogram revealed varus knee angulation with a hip–knee–ankle (HKA) angle of − 2° on the right and − 4° on the left. (b) HKA angles were + 4° valgus on the right and + 5° valgus on the left 1 year after bilateral OWHTO. (c) Alignments of the lower extremities were preserved without correction loss 3 years after bilateral OWHTO and 2 years after the removal of fixationsBack to article page