PMC5831877_01
Case 1 preoperative hip X-ray. Right Charcot arthropathy of the hip shows typical radiographic changes.
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fig1
A hip X-ray revealed the disappearance of the right femoral head, destructive changes in the right acetabulum, and a 36 mm shortening of the right hip joint (Figure 1).
Case 1 postoperative hip X-rays. (a) Immediately after operation. (b) Nine years after operation. There were no clinical signs of implant loosening in the hip X-ray.
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fig2
Today, 9 years after surgery, the patient can walk with the lofstrand cane without causing implant dislocation, although it had been impossible for her to walk before surgery; X-rays revealed no clinical signs of implant loosening compared with the postoperative X-rays (Figure 2).
PMC5831877_02
Case 2 preoperative hip X-rays. (a) Two months before admittance to our hospital. (b) Preoperative hip X-ray. A hip X-ray revealed the disappearance of right femoral head and destructive changes in the right acetabulum.
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fig3
A hip X-ray revealed the disappearance of the right femoral head and destructive changes in the right acetabulum; nevertheless, the right femoral head was not collapsed before two months (Figure 3).
Case 2 postoperative hip X-rays. (a) Immediately after operation. (b) Five years after operation. There were no clinical signs of implant loosening in the hip X-ray.
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fig4
There were no clinical signs of implant loosening in the hip X-ray taken, compared with the postoperative X-rays (Figure 4).