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. 2014 Sep 29;26(3):150–156. doi: 10.5371/hp.2014.26.3.150

Fig. 4.

Fig. 4

A 81-year-old man with arthritis in the right hip. (A) Preoperative anteroposterior hip radiograph. (B) Anteroposterior hip radiograph after total hip arthroplasty at 1.5-year follow-up, showing that the ceramic liner is broken and cup position is abnormal (inclination: 68°, anteversion: 44°). (C) Anteroposterior hip radiograph after total hip arthroplasty at 1.9-year follow-up, showing that the bubble sign is positive around the hip joint. (D) Intraoperative photo showing extensive metallosis. (E) Intraoperative navigation data. (F) Anteroposterior hip radiographs of the right hip at 1-year follow-up showing that the components are stable with no evidence of dislocation.