Document Detail


The sulcus angle and malalignment of the extensor mechanism of the knee.
MedLine Citation:
PMID:  11132279     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Anterior knee pain due to dysplasia of the extensor mechanism is common. We have studied 137 knees (103 patients) in order to identify a rapid and reproducible radiological feature which would indicate the need for further analysis. Overall, 67 knees (49%) had at least one radiological abnormality; 70 (51%) were considered normal. There were five cases of Dejour type-3 dysplasia of the femoral trochlea, nine of type-2 and 12 of type-1. There were 49 cases of patella alta and five of patella infera. Four knees had an abnormal lateral patellofemoral angle (patellar tilt), and in 15 knees there was more than one abnormality. Classification of trochlear dysplasia was difficult and showed poor reproducibility. This was also true for the measurement of the lateral patellofemoral angle. Patellar height was more easily measured but took time. The sulcus angle is an easily and rapidly measurable feature which was reproducible and was closely related to other features of dysplasia of the extensor mechanism. The finding of a normal sulcus angle suggested that seeking other radiological evidence of malalignment of the extensor mechanism was unlikely to reveal additional useful information. The severity of other features of dysplasia of the extensor mechanism correlated with increasing sulcus angle.
Authors:
A P Davies; M L Costa; L Shepstone; M M Glasgow; S Donell; S T Donnell
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Publication Detail:
Type:  Journal Article; Validation Studies    
Journal Detail:
Title:  The Journal of bone and joint surgery. British volume     Volume:  82     ISSN:  0301-620X     ISO Abbreviation:  J Bone Joint Surg Br     Publication Date:  2000 Nov 
Date Detail:
Created Date:  2000-12-22     Completed Date:  2001-01-11     Revised Date:  2010-11-10    
Medline Journal Info:
Nlm Unique ID:  0375355     Medline TA:  J Bone Joint Surg Br     Country:  England    
Other Details:
Languages:  eng     Pagination:  1162-6     Citation Subset:  AIM; IM    
Affiliation:
Norfolk and Norwich Health Care NHS Trust, England, UK.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Analysis of Variance
Anthropometry / methods*
Bone Diseases, Developmental / classification,  complications*,  radiography*
Bone Malalignment / classification,  complications*,  radiography*
Child
Femur*
Humans
Joint Instability / etiology*
Knee Joint*
Observer Variation
Pain / etiology*
Patella / abnormalities*
Range of Motion, Articular
Weight-Bearing
Comments/Corrections
Comment In:
J Bone Joint Surg Br. 2001 Jul;83(5):772-3   [PMID:  11476322 ]
Erratum In:
J Bone Joint Surg Br 2001 Jul;83(5):777
Note: Donnell ST [corrected to Donell S]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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