Figure 1.

Clinical case 1. A 69-year-old woman with deteriorating mechanical pain in the hip 1.5 years after the hip hemiarthroplasty, and (A) Radiography showed a segmental radiolucent line <2 mm wide (triangles) without conclusive evidences of loosening, while (B) tomosynthesis revealed a narrow, continuous radiolucent line surrounding the femoral stem (arrows), and (C,D,E) conventional CT showed heavy metal artifacts mimicking osteointegration (triangles), which were found to be (F,G,H,I) connective tissue covering proximal porous coating with no evidence of osteointegration (arrows) in the retrieved prosthesis.