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KMID : 0388419990090010165
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Konkuk Journal of Medical Sciences
1999 Volume.9 No. 1 p.165 ~ p.172
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Measurement of Anterior and Posterior Cruciate Ligments in Knee MRI : A Study in Korean Young Adults
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Shin Hyun-Joon
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Abstract
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It is important to know the normal sloe, shape, and signal intensity of anterior and posterior cruciate ligaments in the evaluation of knee injury. Many studies have reported findings of tear or rupture as well as normal anatomy of these structures. To our knowledge, however, no study has been published about the normal size, shape of cruciate ligaments in Korea. The purpose of this study is to know the normal appearance of cruciate ligaments on MRI. Ninety-four knees were evaluated in 47 Korean young volunteers(26 male and 21 female, 21-42 years old) who had no history of symptom or sign about knee joints. 1.5-T MR imager was used and sagittal scans of proton density image and T2WI, and coronal scans of T1WI were acquired. Length, thickness, width, and angle of cruciate ligaments were measured from the hard copy film. Mean length, thickness, and width of anterior cruciate ligament were 33.4±5.3㎜, 6.4±1.8㎜ and 6.2±1.4㎜ in each. Mean length, thickness, and width of posterior cruciate ligament were 34.7±3.9㎜, 5.4±1.0㎜ and 8.8±1.5㎜ in each. Mean angle of anterior cruciate ligament was 55.3±6.4°. Mean angle of cruciate ligament was 132.9±12.9°, and curvature ratio was 0.21±0.06. No difference was noted between right and left side and between male and female in anterior and posterior cruciate ligaments, and these were some different from those of western people. So, these data can be useful for
diagnostic criteria in rupture of cruciate ligaments in korean young adults and curvature ratio was 0.21±0.06. No difference was noted between right and left side and between male and female in anterior and posterior cruciate ligaments.
Conclusion : Normal size and shape of the anterior and posterior cruciate ligaments of the knee were measured. These were some different from those of western people. So, these data can be useful for diagnostic criteria in rupture of cruciate ligaments in korean young adults.
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KEYWORD
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knee, MR, ligaments
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