September 13, 2026 · Orthopaedic journal of sports medicine · DOI: 10.1177/23259671261463132

Sex-Specific Adolescent Development of the Trochlea and Distal Femoral Physis: A 3D Shape Modeling Study

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The authors aimed to enhance understanding of sex-specific development of the trochlea and distal femoral physis during adolescence to inform safer surgical decision-making for conditions like trochlear dysplasia. By analyzing MRI data from 261 individuals aged 8 to 22 years, they found that both sexes exhibit similar patterns of trochlear deepening and physis migration, but males show significantly greater lateral trochlear depth after age 16. This study highlights the importance of considering sex differences in knee growth when refining treatment strategies.

Bryan Khoo, Marissa Lee Sinopoli, Christian E Wright, Amin Alayleh, Alan Anaya Gallegos, Seth L Sherman, Scott Delp, Akshay Chaudhari, Kevin G Shea, Anthony A Gatti

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