• Yonsei medical journal · Nov 2023

    Bone Age Estimation and Prediction of Final Adult Height Using Deep Learning.

    • Junghwan Suh, Jinkyoung Heo, Su Jin Kim, Soyeong Park, Mo Kyung Jung, Han Saem Choi, Youngha Choi, Jun Suk Oh, Hae In Lee, Myeongseob Lee, Kyungchul Song, Ahreum Kwon, Hyun Wook Chae, and Ho-Seong Kim.
    • Department of Pediatrics, Severance Children's Hospital, Endocrine Research Institute, Yonsei University College of Medicine, Seoul, Korea.
    • Yonsei Med. J. 2023 Nov 1; 64 (11): 679686679-686.

    PurposeThe appropriate evaluation of height and accurate estimation of bone age are crucial for proper assessment of the growth status of a child. We developed a bone age estimation program using a deep learning algorithm and established a model to predict the final adult height of Korean children.Materials And MethodsA total of 1678 radiographs from 866 children, for which the interpretation results were consistent between two pediatric endocrinologists, were used to train and validate the deep learning model. The bone age estimation algorithm was based on the convolutional neural network of the deep learning system. The test set simulation was performed by a deep learning program and two raters using 150 radiographs and final height data for 100 adults.ResultsThere was a statistically significant correlation between bone age interpreted by the artificial intelligence (AI) program and the reference bone age in the test set simulation (r=0.99, p<0.001). In the test set simulation, the AI program showed a mean absolute error (MAE) of 0.59 years and a root mean squared error (RMSE) of 0.55 years, compared with reference bone age, and showed similar accuracy to that of an experienced pediatric endocrinologist (rater 1). Prediction of final adult height by the AI program showed an MAE of 4.62 cm, compared with the actual final adult height.ConclusionWe developed a bone age estimation program based on a deep learning algorithm. The AI-derived program demonstrated high accuracy in estimating bone age and predicting the final adult height of Korean children and adolescents.© Copyright: Yonsei University College of Medicine 2023.

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