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    Assessment of femoral notch morphology in male patients with anterior cruciate ligament injury: an MRI study
    (Alanya Alaaddin Keykubat Üniversitesi, 2022) Akgün, Ayşe Serap; Tekcan, Aybars
    Aim: The objective of the present study was to evaluate the femoral notch type, notch width index (NWI), notch angle (NA) and ? angle in patients with ACL injury and compare with nonathletic male population, using magnetic resonance imaging (MRI).Methods: 79 patients with complete ACL tear and 80 patients as control group (aged 19-43 years) who had knee MRI were evaluated. NWI, NA measurements and notch shape were evaluated on axial fat-saturated proton-weighted sequences. Femoral notch shape was classified as A, U and W types.Results: A statistically significant association was found between notch type, NWI, NA and ACL injury (p<0,001). Type A notch in the ACL-injured group (79.75 %) was significantly higher than the control group (24%). NWI was lower in patients with ACL-injured group than in control group (0.249 ± 0.020 vs 0.281 ± 0.022) Notch angle was lower in patients with ACL-injured group than in control group (47.15 º ± 5.63 º vs 50.73 º ± 5.44º). A significant association between stenotic notch type A and NWI (p <0,001). The ? angle was lower in patients with ACL-injured group than in control group but it was not statistically different (41.9 º ±2.79 ºvs 42.06 º ±2.53 º; p= 0.978).Conclusion: This study showed that however low NWI, NA values are a risk factor for ACL injury, the strongest predictive factor was stenotic femoral notch type A. ? angle had no significant correlation in ACL injury.