31-184
Interfase patológica por fricción metal-metal y metal-polietileno. Diferencias microscópicas
Metal-metal and metal-polyethylene interlace. Some histological differences
B. SERAL GARCÍA, T. CASTIELLA MURUZABAL, L. PANIAGUA ROYO. J. SEGURA MATA y E SERAL, IÑIGO Departamento de Cirugía y Obstetricia. Universidad de Zaragoza. Facultad de Medicina. Servicio de Traumatología y Cirugía Ortopédica. Hospital Clínico Universitario. Zaragoza.
Recepción:
07/11/2008
Aceptación:
07/11/2008
Publicación:
07/11/2008
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Resumen (ES)
Polyethylene wear debris have been implicated as a major cause of aseptic loosening
and osteolysis in total hip arthroplasty. Some authors propose metal-metal friction intending
to improve the results. We report two cases of revision surgery, due to aseptic loosening: one
McKee prothesis and a Freeman double cupule, both cemented and loose, failing with osteolysis.
We have studied the tissue reaction of the interface socket and the histological differences between
the first case of metal-metal friction and the second case of metal-polyethylene friction. We
found more histiocytes and multinucleated giant cells in metal-polyethylene friction case.
and osteolysis in total hip arthroplasty. Some authors propose metal-metal friction intending
to improve the results. We report two cases of revision surgery, due to aseptic loosening: one
McKee prothesis and a Freeman double cupule, both cemented and loose, failing with osteolysis.
We have studied the tissue reaction of the interface socket and the histological differences between
the first case of metal-metal friction and the second case of metal-polyethylene friction. We
found more histiocytes and multinucleated giant cells in metal-polyethylene friction case.
Palabras clave (ES):
Interfaz
Cadera
Prótesis
Artroplastia
Metal-metal
Metal-polietileno
Resumen (EN)
Polyethylene wear debris have been implicated as a major cause of aseptic loosening
and osteolysis in total hip arthroplasty. Some authors propose metal-metal friction intending
to improve the results. We report two cases of revision surgery, due to aseptic loosening: one
McKee prothesis and a Freeman double cupule, both cemented and loose, failing with osteolysis.
We have studied the tissue reaction of the interface socket and the histological differences between
the first case of metal-metal friction and the second case of metal-polyethylene friction. We
found more histiocytes and multinucleated giant cells in metal-polyethylene friction case.
and osteolysis in total hip arthroplasty. Some authors propose metal-metal friction intending
to improve the results. We report two cases of revision surgery, due to aseptic loosening: one
McKee prothesis and a Freeman double cupule, both cemented and loose, failing with osteolysis.
We have studied the tissue reaction of the interface socket and the histological differences between
the first case of metal-metal friction and the second case of metal-polyethylene friction. We
found more histiocytes and multinucleated giant cells in metal-polyethylene friction case.
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