Keywords: Joints, PediatricPolydactyly is very common disease in pediatric orthopeadic. In this study, 18 patients with polydactyly were included. All the 3D-DESS image were evaluated by two senior diagnostic radiologists using a double-blind 3-point scale, the intraoperative results were used as the “gold standard” to analyze the consistency of image results and intraoperative results. The purpose of this study is to assess whether the 3D-DESS sequence can provide the growth and development information of cartilage epiphysis, tendon and bone tissue of polydactyly in children before surgery, which has value for preoperative evaluation and preparation of surgical treatment.
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