A Case of Cementless Impaction Bone Graft in a Revision Total Hip Arthroplasty Requiring Calcar Reconstruction

Figure 3

(a) 2-year postoperative X-ray shows minute subsidence and homogenized allograft on the calcar. (b) CT at 2 years proves rigid fixation in Gruen zones 1, 2, and ongoing osteogeneration in other zones.

(a)

(b)