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- W4280508722 abstract "Abstract Purpose To investigate the difference of trochlear width between normal and dysplastic trochlear and to analyze whether the medialization of trochlear groove was correlated with abnormal width of trochlear facets in trochlear dysplasia. Methods This study involved CT scans of fifty knees with trochlear dysplasia (TD group) and fifty knees without obvious trochlear dysplasia (Normal group). The linear distance from the medial femoral epicondyle to the various reference points was measured on axial CT images which included the medial edge of medial trochlear facet ( d MTE), trochlear groove ( d TG), and the lateral edge of lateral trochlear facets ( d LTE). The medial and lateral trochlear width was calculated and standardized by the width of the anatomical epicondylar axis. Pearson’s correlation analysis was performed between the d TG and the width of the medial and lateral trochlear. Results The reliability of the results was good. Intraclass correlation coefficient (ICC) ranged from 0.89 to 0.97. The d MTE was significantly greater in the TD group than the normal group (32.7 ± 5.1% vs. 29.6 ± 3.5%, p = 0.009). There was no significant difference in the d LTE between groups. The d TG was reduced in the TD group compared with the normal group (45.2 ± 4.1% vs. 49.1 ± 3.9%, p = 0.019). In the TD group, there was a significant reduction in the medial trochlear width (13.9 ± 4.1% vs. 19.4 ± 2.9%, p < 0.001) and a significant increase in the lateral trochlear width (31.3 ± 4.0% vs. 26.9 ± 3.6%, p < 0.001) compared with the normal group. The d TG was significantly correlated with the lateral trochlear width ( r value = − 0.693, p < 0.001) and not correlated with the medial trochlear width ( r value = 0.044, p = 0.766) in trochlear dysplasia. Conclusions This study demonstrated that dysplasia of trochlear morphology was related to the reduction of medial trochlear width and increase in lateral trochlear width. The medialization of trochlear groove was significantly correlated with the increased lateral trochlear width." @default.
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- W4280508722 date "2022-05-15" @default.
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- W4280508722 title "Medialization of trochlear groove was correlated with extended lateral trochlear in trochlear dysplasia: a transverse CT analysis" @default.
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- W4280508722 doi "https://doi.org/10.1186/s13018-022-03166-6" @default.
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