深度学习超分辨率用于同时多切片并行成像-加速膝盖MRI使用关节镜验证
Sven S Walter1, Jan Vosshenrich1, Tatiane Cantarelli Rodrigues1
1From the Department of Radiology, Division of Musculoskeletal Radiology, NYU Grossman School of Medicine, 660 1st Ave, 3rd Fl, Rm 313, New York, NY 10016 (S.S.W., J.V., R.K., E.H.P., J.F.); Department for Diagnostic and Interventional Radiology, Eberhard Karls University Tübingen, University Hospital Tübingen, Tübingen, Germany (S.S.W.); Department of Radiology, University Hospital Basel, Basel, Switzerland (J.V.); Department of Radiology, Hospital do Coraçao, São Paulo, Brazil (T.C.R.); Academic Surgical Unit, South West London Elective Orthopaedic Centre (SWLEOC), London, United Kingdom (D.D.); Department of Radiology, Balgrist University Hospital, Zurich, Switzerland (B.F.); Department of Radiology, Jeonbuk National University Hospital, Jeonju, Republic of Korea (E.H.P.); Research Institute of Clinical Medicine of Jeonbuk National University, Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Republic of Korea (E.H.P.); Medscanlagos Radiology, Cabo Frio, Brazil (A.S.); Centre for Data Analytics, Bond University, Gold Coast, Australia (S.E.S.); Siemens Healthineers AG, Erlangen, Germany (I.B.); and Siemens Medical Solutions USA, Malvern, Pa (G.K.).
与传统的加速MRI相比,深度学习 (DL) 超分辨率MRI提高了膝盖图像质量和关节软骨病变检测. 阴茎和带撕裂的诊断性能保持相似,确保准确性没有遗漏.
科学领域:
- 放射学 放射学是一门学科.
- 医疗成像医学成像
- 人工智能在医学中的应用
背景情况:
- 深度学习 (DL) 增强了加速MRI,但需要根据参考标准进行验证.
- 像同时多切片 (SMSx2) 和并行成像 (PIx2) 这样的加速MRI技术对于高效的成像至关重要.
- 确保DL增强型MRI的准确性和稳定性对于临床采用至关重要.
研究的目的:
- 为了验证DL超分辨率MRI的诊断性能,使用SMSx2和PIx2.2加速MRI.
- 为了比较DL方法与传统的SMSx2-PIx2-加速MRI在膝盖成像.
- 用关节镜作为参考标准来评估图像质量和诊断准确性.
主要方法:
- 对患有膝关节疾病的成年患者的潜在招生.
- 获得四倍加速标准护理和DL超分辨率MRI在3T.
- 独立的放射科医生对图像质量,阴囊撕裂,带撕裂和关节软骨缺陷的评估.
- 统计分析包括互读器协议和接收器操作特征曲线 (AUC) 下的区域.
主要成果:
- DL超分辨率MRI显示出优越的图像质量 (中位数利克特得分为5比4,P<.001).
- 阴茎和带撕裂的诊断性能在DL和传统MRI之间是相似的 (所有P> .96).
- DL超分辨率MRI显示,检测关节软骨病变的性能有所改善 (AUC为0.78对0.71,P=.002).
结论:
- 四倍加速的DL超分辨率MRI在膝盖成像中提供了更好的图像质量.
- DL MRI 对于半体和带损伤提供了可比的诊断准确性.
- 与传统的加速核磁共振相比,DL超分辨率核磁共振提高了关节软骨病变的检测.
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