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MRI-based 3D-shape model improves diagnosis of rotator cuff tear

机译:基于MRI的3D形状模型可改善对肩袖撕裂的诊断

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摘要

MRI based 3D-shape model of soft tissue has already applied in various clinical fields. In orthopedics, its clinical application would be strongly contributed to improving diagnostic accuracy of rotator cuff tear. The purpose of this study was to compare shape and size of torn tendon of rotator cuff in reconstructed 3D-shape model to that in intraoperative findings, and to investigate the influence of employing 3D-shape model on accuracy of diagnosis for rotator cuff tear. MRI scan was carried out for 30 patients with rotator cuff tear before surgery. 3D-shape models of rotator cuff tendon and torn tendon were acquired using a standard image processing software. Four shoulder surgeons, such as 2 residents and 2 specialists, reviewed preoperative shoulder 2D-MRIs and 3D-shape model of rotator cuff tear for assessing shape and size. As a result, the accuracy for evaluating shape of torn tendon using 2D-MRIs in a group of residents was significantly lower than a group of specialists. But, there was no significant difference in the accuracy for assessing shape of torn tendon using 3D-shape model of rotator cuff tear among 4 shoulder surgeons. The findings in this study suggest that 3D-shape model could improve diagnosis of rotator cuff tear.
机译:基于MRI的软组织3D形状模型已经应用于各种临床领域。在骨科中,其临床应用将为提高肩袖撕裂的诊断准确性做出重大贡献。本研究的目的是比较重建的3D形状模型中的肩袖撕裂肌腱的形状和大小与术中发现的结果,并研究采用3D形状模型对肩袖撕裂诊断准确性的影响。术前对30例肩袖撕裂患者进行了MRI扫描。使用标准图像处理软件获取3D形状的肩袖肌腱和撕裂肌腱的模型。四名肩部外科医生,例如2名住院医师和2名专科医生,对术前肩部2D-MRIs和肩袖撕裂的3D形状模型进行了评估,以评估形状和大小。结果,在一组居民中使用2D-MRI评价撕裂肌腱形状的准确性明显低于一组专家。但是,使用肩袖撕裂的3D形状模型评估4名肩外科医生的撕裂肌腱形状的准确性没有显着差异。这项研究的发现表明3D形状模型可以改善肩袖撕裂的诊断。

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