Late disassembly of modular acetabular components. A report of two cases.
We report two cases of late disassembly of modular acetabular components, 4 and 5 years after implantation. One was revised immediately after the disassembly and one after 4 months, the latter demonstrating excessive wear of metal and polyethylene. Radiographs showing eccentric displacement of the femoral head in the cup associated with a dark, curved shadow representing the displaced polyethylene insert identify this type of implant failure.
Retpen
J B
JB
Department of Orthopedics, Centralsygehuset Hillerød, Denmark.
Solgaard
S
S
D000368:Aged; D001168:Arthritis / Q000601:surgery; D005260:Female; D005271:Femur Head Necrosis / Q000601:surgery; D006622:Hip Prosthesis; D006801:Humans; D008297:Male; D008875:Middle Aged; D011475:Prosthesis Failure; D012086:Reoperation