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KMID : 0359620020140010076
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Journal of Korean Knee Society
2002 Volume.14 No. 1 p.76 ~ p.81
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Differences of Femoral Intercondylar Notch on MRI - Between Normal and Anterior Cruciate Ligamen Injured Knee -
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Yoo Moon-Jib
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Abstract
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Purpose: The purpose of this study is to evaluate the possible relationship between femoral intercondylar notch stenosis and ACL injury according to gender with retrospective analysis of knee MRI.
Materials and Methods: The study was based on 260 cases of knee MRI (except the cases of combined colleteral ligaments injury and fracture) between the ages of 18 and 50 years from March 1995 to March 2001. All cases were divided into three
groups: group 1 consisted of kness 94 cases that were normal, group 2 consisted of knees from 72 cases that had a contach ACL injury, group 3 consisted of knees from 92 cases that had a non contact ACL injury. We measure the notch heigh, nothch width at
the point of 1/3, 2/3 of notch heigh, notch angle, lateral angle with coronal section. Each measurements of three groups were compared with gender and for statistical significance using the ANOVA test.
Results: The men notch angle was 48.2±6.7° for men and 47.1±1.2° for women in group 1, 48.7±6.5° for men and 48.7±1.2° for women in group 2, 47.4±6.5° for men and 47.5±1.5° for women in group 3. The mean notch width at the point of
1/3, 2/3 of notch height were 18.6±2.4㎜, 15.3±2.4㎜ for men and 16.9±2.4㎜, 14.2±2.4㎜ for women in group 1, 18.2±2.4㎜, 15.3±2.4㎜ for men and 16.9±2.4㎜,13.9±2.4㎜ for wonmen in group 2, 16.8±2.4㎜, 13.9±2.4㎜ for menand 15.7±2.4㎜,
13.4±2.4㎜ for women in group 3. Statistically significant differences were found between sexes in group 3 in regard to notch width at the poitnt of 1/3, 2/3 of notch height, notch angle(<0.05).
Conclusion: Stenosis of femoral intercondylar nothc may be a factor of ACL injury. So preoperative meausrement of femoral intercondylar notch may be necessary to determine the amount of notchplasty degree in ACL reconstruction.
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KEYWORD
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Knee joint, Femoral intercondylar notch, Anterior cruciate ligament injury,
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