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Radiological measurements obtained from radiographs or magnetic resonance imaging (MRI) are normally used for FAI diagnosis, but they require time\u2010consuming manual interaction, which limits accuracy and reproducibility. This study compares standard radiologic measurements against radiomics features automatically extracted from MRI for the identification of FAI patients versus healthy subjects. Three\u2010dimensional Dixon MRI of the pelvis were retrospectively collected for 10 patients with confirmed FAI and acquired for 10 healthy subjects. The femur and acetabulum were segmented bilaterally and associated radiomics features were extracted from the four MRI contrasts of the Dixon sequence (water\u2010only, fat\u2010only, in\u2010phase, and out\u2010of\u2010phase). A radiologist collected 21 radiological measurements typically used in FAI. The Gini importance was used to define 9 subsets with the most predictive radiomics features and one subset for the most diagnostically relevant radiological measurements. For each subset, 100 Random Forest machine learning models were trained with different data splits and fivefold cross\u2010validation to classify healthy subjects versus FAI patients. The average performance among the 100 models was computed for each subset and compared against the performance of the radiological measurements. One model trained using the radiomics features datasets yielded 100% accuracy in the detection of FAI, whereas all other radiomics features exceeded 80% accuracy. Radiological measurements yielded 74% accuracy, consistent with previous work. The results of this preliminary work highlight for the first time the potential of radiomics for fully automated FAI diagnosis.<\/jats:p>","DOI":"10.1002\/jor.25952","type":"journal-article","created":{"date-parts":[[2024,8,11]],"date-time":"2024-08-11T07:08:51Z","timestamp":1723360131000},"page":"2796-2807","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Radiomics features outperform standard radiological measurements in detecting femoroacetabular impingement on three\u2010dimensional magnetic resonance imaging"],"prefix":"10.1002","volume":"42","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1773-0064","authenticated-orcid":false,"given":"Eros","family":"Montin","sequence":"first","affiliation":[{"name":"Department of Radiology Bernard and Irene Schwartz Center for Biomedical Imaging New York New York USA"},{"name":"Department of Radiology Center for Advanced Imaging Innovation and Research (CAI2R) New York 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