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Variations of the 'grand-piano sign' during total knee replacement. A computer-simulation study.

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dc.contributor.authorCui, WQ-
dc.contributor.authorWon, YY-
dc.contributor.authorBaek, MH-
dc.contributor.authorKim, KK-
dc.contributor.authorCho, JH-
dc.date.accessioned2011-04-07T05:21:28Z-
dc.date.available2011-04-07T05:21:28Z-
dc.date.issued2006-
dc.identifier.issn0301-620X-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/2190-
dc.description.abstractThe appearance of the 'grand-piano sign' on the anterior resected surface of the femur has been considered to be a marker for correct femoral rotational alignment during total knee replacement. Our study was undertaken to assess quantitatively the morphological patterns on the resected surface after anterior femoral resection with various angles of external rotation, using a computer-simulation technique. A total of 50 right distal femora with varus osteoarthritis in 50 Korean patients were scanned using computerised tomography. Computer image software was used to simulate the anterior femoral cut, which was applied at an external rotation of 0 degrees, 3 degrees and 6 degrees relative to the posterior condylar axis, and parallel to the surgical and clinical epicondylar axes in each case. The morphological patterns on the resected surface were quantified and classified as the 'grand-piano sign', 'the boot sign' and the 'butterfly sign'. The surgeon can use the analogy of these quantified sign patterns to ensure that a correct rotational alignment has been obtained intra-operatively.-
dc.language.isoen-
dc.subject.MESHAdult-
dc.subject.MESHAged-
dc.subject.MESHAged, 80 and over-
dc.subject.MESHArthroplasty, Replacement, Knee-
dc.subject.MESHComputer Simulation-
dc.subject.MESHFemale-
dc.subject.MESHFemur-
dc.subject.MESHHumans-
dc.subject.MESHKnee Joint-
dc.subject.MESHMale-
dc.subject.MESHMiddle Aged-
dc.subject.MESHModels, Biological-
dc.subject.MESHOsteoarthritis, Knee-
dc.subject.MESHRotation-
dc.titleVariations of the 'grand-piano sign' during total knee replacement. A computer-simulation study.-
dc.typeArticle-
dc.identifier.pmid17075087-
dc.identifier.urlhttp://www.jbjs.org.uk/cgi/pmidlookup?view=long&pmid=17075087-
dc.contributor.affiliatedAuthor원, 예연-
dc.contributor.affiliatedAuthor조, 재현-
dc.type.localJournal Papers-
dc.identifier.doi10.1302/0301-620X.88B11.17648-
dc.citation.titleThe Journal of bone and joint surgery. British volume-
dc.citation.volume88B-
dc.citation.number11-
dc.citation.date2006-
dc.citation.startPage1441-
dc.citation.endPage1447-
dc.identifier.bibliographicCitationThe Journal of bone and joint surgery. British volume, 88B(11). : 1441-1447, 2006-
dc.identifier.eissn2044-5377-
dc.relation.journalidJ00301620X-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Orthopedic Surgery
Journal Papers > School of Medicine / Graduate School of Medicine > Surgery
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