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KMID : 0828620080120010040
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Journal of Korean Arthroscopy Society
2008 Volume.12 No. 1 p.40 ~ p.44
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Geometry of Resident’s ridge with Multidetector-Row Computed Tomograph Image
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Rho Jeong-Ho
Ahn Byung-Moon
Min Byoung-Hyun
Park Jeong-Wook
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Abstract
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Purpose: The purpose of this study was to report the real geometry of Resident’s ridge doing in anterior cruciate ligament reconstruction.
Material and Methods : From Jan 2007 to Aug 2007, 48 cases which had normal distal femoral condyle analyzed with Multidetector-Row Computed Tomography. Resident’s ridge was defined as change of height above 1 mm in lateral wall of intercondylar notch. Anterior-posterior length of intercondylar notch, length and height of Resident’s ridge, distance of Resident’s ridge from posterior cortex were estimated with 3-D reconstruction using Lucion. program.
Results: Cases were 59±16 years olds and male was 16 cases, female was 32 cases. 9 cases had no Resident’s ridge, anterior-posterior length of intercondylar notch was 25.4±3.5 mm, average of length and height of the Resident’s ridge was 8.2±2.6, 3.5±1.5 mm. Distance of the Resident’s ridge from posterior cortex was 7.6 ±2.6 mm.
Conclusion: Resident’s ridge was used as landmark in anterior cruciate ligament reconstruction, which presented in many cases and which had distinct length and height.
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KEYWORD
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Resident’s ridge, Multidetector-Row Computed Tomography, Anterior cruciate ligament reconstruction
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