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Abstract #0469

Gray and white matter structural examination for diagnosis of MDD and StD in adolescents and young adults: a preliminary radiomics analysis

Huan Ma1, Jianzhong Yang2, Dewei Sun1, Dafu Zhang1, Yan Zhang2, Jing Yuan2, and Xiaoyong Zhang3
1Department of Radiology, The Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China, 2Department of Psychiatry, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China, 3Clinical Science, Philips Healthcare, Chengdu, China, Chengdu, China

Synopsis

We obtained sMRI data from unmedicated adolescents and young adults with MDD, StD and well-matched healthy control subjects, and identified radiomics features from gray and white matter, and establish classification models. The accuracies and AUC were 86.75%, 0.93 for distinguishing MDD from HC, 70.51%, 0.69 for discriminating StD from HC, and 59.15%, 0.66 for differentiating MDD from StD, respectively. These findings provide preliminary evidence that radiomics features of brain structure are valid for discriminating MDD and StD from HCs. The MRI-based radiomics approach, with further improvement and validation, is a potential facilitating method to clinical diagnosis of mental illness.

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