Fig. 5

Re-revision CoP total hip arthroplasty for pseudotumor. a-b Dark gray drainage from surrounding synovial sacs was about 100 ml. c Dark gray tissue was visible around the right hip joint. d Photograph demonstrating metal head and polyethylene liner with severe wear. e A ceramic head along with a titanium sleeve was placed on the previous femoral stem. f-h Anteroposterior radiograph and transaxial view of the CT at immediate postoperatively showed unremarkable pseudotumor surrounding hip and a cystic wall in pelvis