Fig. 2
From: Liner dissociation in a large-diameter ceramic-bearing acetabular component: a report of five cases
a Anteroposterior pelvic revealing a thin crescent shaped radiolucency between the acetabular shell and the ceramic liner and pneumarthrosis. b Lateral hip radiograph with the arrow pointing at the displaced liner. c CT coronal view of the left hip demonstrating the thin crescent shaped radiolucency between the acetabular shell and the ceramic liner, 2 arrows are pointing at intra-articular gas and gas around the greater trochanter