Abstract
Objective: The sulcus angle and trochlear depth have been widely used in the literature as a measure of trochlear morphology. The purpose of our study was to assess gender-based anatomical differences of the femoral trochlea using magnetic resonance imaging (MRI).Materials and Methods: A total of 100 patients (50 women, 50 men) were included in our study. All patients had both their knees analyzed; trochlear morphology was measured using trochlear depth, and the femoral sulcus angle on axial MR images.Results: The mean trochlear depths in the men and women were 9.1 ± 1.5 mm and 6.9 ± 1.4 mm, and the mean femoral sulcus angles in the men and women were 127 ± 9.3° and 134.7 ± 8.6°, respectively. Using MRI, no statistically significant differences were found between the right and left knees. Conclusion: This study demonstrates significant gender differences in trochlear morphology. The trochlear groove is significantly less deep and shallower amongst women than in men.
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