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Radiographic sign of persistent soft-tissue imbalance after knee replacement.

Authors
  • Sambatakakis, A
  • Wilton, T J
  • Newton, G
Type
Published Article
Journal
The Journal of bone and joint surgery. British volume
Publication Date
Sep 01, 1991
Volume
73
Issue
5
Pages
751–756
Identifiers
PMID: 1819252
Source
Medline
License
Unknown

Abstract

We report on the radiological findings in a series of 871 consecutive primary condylar knee replacements followed up for an average of four years. A new radiological sign has been identified, consisting of a smoothly tapering wedge of cement visible beneath the horizontal portion of the tibial component on the anteroposterior radiograph. This was found in 25.4% of our cases and appears to indicate a persistent soft-tissue imbalance following condylar arthroplasty of the knee. The cement-wedge sign was associated with a highly significant increase in radiolucent lines at the tibial cement-bone interface.

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