Fig. 2
From: Catastrophic failure and metallosis of the acetabular component in total hip arthroplasty
a Anterior-posterior (AP) radiographic image of a 60-year-old man with ceramic-on-ceramic bearing in the 1st year after primary total hip arthroplasty. b AP radiograph 4 years postoperatively showing penetration of the titanium acetabular cup of the ceramic head with complete wear of the ceramic liner. c, d View of the catastrophic deformation of acetabular components. e, f Intraoperative appearance of diffuse metallosis developing in periprosthetic tissues