02 May 2025
: Case report 
Cardiac Tamponade and Pneumonitis as Indicators of Systemic Cobaltosis in Metal-on-Polyethylene Hip Implants
Challenging differential diagnosis, Rare disease
Mateusz Orzalkiewicz
AEF 1*, Aleksandra Gorzynska EF 2, Damian Stencelewski EF 2, Monika Lica-Gorzynska ABEF 3, Monika Markiewicz BDE 4, Francesco Saia EF 1, Zbigniew Orzalkiewicz AEF 3
DOI: 10.12659/AJCR.947854
Am J Case Rep 2025; 26:e947854
Figure 3 Autopsy showing local metallosis with periarticular tissue infiltration with tarry fluid (A, B) and multiple embedded ceramic particles in the polyethylene liner (“sandpaper liner”) (C) and cobalt-chromium head of the prosthesis showed a visible wear with the loss of sphericity (white arrows) (D).