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Published in: Pediatric Radiology 2/2014

01-02-2014 | Original Article

The patellofemoral joint: do age and gender affect skeletal maturation of the osseous morphology in children?

Authors: Hee Kyung Kim, Sahar Shiraj, Christopher Anton, Paul S. Horn

Published in: Pediatric Radiology | Issue 2/2014

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Abstract

Background

The osseous morphology of the patellofemoral joint is an independent factor that affects the biomechanics of patellofemoral instability.

Objective

The purpose of this study is to determine age- and gender-related differences in the osseous morphology of the patellofemoral joint in children during skeletal maturation.

Materials and methods

This study was approved by the institutional review board and was HIPAA-compliant. We included 97 children and young adults (age range 5–22 years; 51 girls and 46 boys, mean ages 14.3 years and 13.7 years, respectively). We studied 1.5-T knee MR exams, measuring the osseous morphology of the patellofemoral joint (lateral trochlear inclination, trochlear facet asymmetry, trochlear depth, patellar height ratio, tibial tubercle-trochlear groove distance, and lateral patellofemoral angle) for each MR exam. We compared measurements to published values for patellofemoral instability. Physeal patency (open or closing/closed) was determined on MR. We assessed the associations between MR osseous measurements and gender, age and physeal patency using Wilcoxon rank sum test and least square means regression models.

Results

The osseous patellofemoral joint morphology measurements were all within a normal range. There were no significant correlations between MR osseous measurements and age, gender or physeal patency.

Conclusion

During skeletal maturation, age and gender do not affect the osseous morphology or congruency of the patellofemoral joint.
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Metadata
Title
The patellofemoral joint: do age and gender affect skeletal maturation of the osseous morphology in children?
Authors
Hee Kyung Kim
Sahar Shiraj
Christopher Anton
Paul S. Horn
Publication date
01-02-2014
Publisher
Springer Berlin Heidelberg
Published in
Pediatric Radiology / Issue 2/2014
Print ISSN: 0301-0449
Electronic ISSN: 1432-1998
DOI
https://doi.org/10.1007/s00247-013-2790-2

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