Histologic analysis of a retrieved hydroxyapatite-coated femoral prosthesis

K Søballe, K Gotfredsen, H Brockstedt-Rasmussen, P T Nielsen, K Rechnagel

49 Citations (Scopus)

Abstract

A hydroxyapatite-coated hip hemi-prosthesis was retrieved from a 98-year-old osteoporotic woman 12 weeks after implantation. Histologic analysis revealed bone and fibrous tissue almost evenly distributed around the surface of the implant circumference. Quantitative histologic analysis showed that 48% of the hydroxyapatite surface was covered by bone. Fibrous tissue covered 30% of the prosthetic surface, and 20% of the surface had no tissue coverage. Scanning electron microscopy showed direct contact without any clear boundary between the newly formed bone and the hydroxyapatite ceramic.
Original languageEnglish
JournalClinical Orthopaedics and Related Research
Issue number272
Pages (from-to)255-8
Number of pages3
ISSN0009-921X
Publication statusPublished - 1991

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