[Diabetic osteoarthropathy of rare localization]

The typical location of diabetic osteoarthropathy is the foot. Involvement of other joints is rare. In the case treated by the author, the osteoarthropathy of the ankle and knee joints presented at the same time. The process healed in the ankle joint by grave deformity and arthrosis deformans resulted in the knee joint. If arthrosis appears in an unusual location, it is worth while to look for diabetes.