Measurement Changes Used for Femoroacetabular Impingement Diagnosis in Hip Pain

Abstract

Objectives: We aimed to determine, the mean values of the hip angles at Magnetic Resonance Imaging(MRI) of Turkishpatients, gender variances and to demonstrate the difference in measurements between the painless and painful sidesof the same case.Methods: Retrospectively, 182 patients who underwent hip MRI for hip pain were included in the study. In MRI, Collodiaphysealangle (CDA), Acetabular angle (AA), Tönnis angle (T-angle), acetabular depth (AD), anteversion angle (AnA),protrusio acetabuli (PA) and alpha angle (AF) were measured.Results: The mean CDA, AA, T-angle, AD, PA, AnA, AF was 131.90o, 35.90o, 7.20o, 21 mm, (-4.9) mm, 17.90o, 50o respectively.CDA, T-angle and AD values were lower at women (p<0.05). In the right hip angle measurements, CDA and AFvalues were found high (p<0.05) in the painful group. AnA observed higher, at right hip pain than bilateral, in the groupwith unilateral pain (p<0.05); but there was no difference on the left side. In unilateral and bilateral hip pain, there wasno difference in the angle measurements.Conclusion: CDA, T and AD were found lower at women than men. CDA and AnA increase in the group with pain. Wethink that grasp of the femur head by acetabulum changes due to pain. The measurements on the right side differ fromthe left, may depend on loading. Prolongation of the process may cause labrum damage and osteoarthritis.