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A failure case: a 49-year-old male who was in group B receiving ACD, β-TCP granules, and ABR grafting in the left hip. He had to perform THA 27 months later because of the failure of hip-preserving surgery. a Preoperative X-rays. b One month postoperative X-rays. c Twenty-seven months postoperative X-rays. d, e Computed tomography (CT) before THA. f Three-dimensional reconstruction based on CT before THA. g–i Magnetic resonance imaging (MRI) before THA
