Reduction in Acquisition Time and Improvement in Image Quality in T2-Weighted MR Imaging of Musculoskeletal Tumors of the Extremities Using a Novel Deep Learning-Based Reconstruction Technique in a Turbo Spin Echo (TSE) Sequence

Wessling, Daniel; Herrmann, Judith; Afat, Saif; Nickel, Dominik; Othman, Ahmed E.; Almansour, Haidara; Gassenmaier, Sebastian

doi:10.3390/tomography8040148

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Reduction in Acquisition Time and Improvement in Image Quality in T2-Weighted MR Imaging of Musculoskeletal Tumors of the Extremities Using a Novel Deep Learning-Based Reconstruction Technique in a Turbo Spin Echo (TSE) Sequence

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Sebastian Gassenmaier

Department of Diagnostic and Interventional Radiology, University Hospital of Tuebingen, 72076 Tuebingen, Germany

MR Application Predevelopment, Siemens Healthcare GmbH, 91052 Erlangen, Germany

Department of Diagnostic and Interventional Neuroradiology, University Hospital of Mainz, 55131 Mainz, Germany

Author to whom correspondence should be addressed.

Academic Editors: Emilio Quaia, Mirko D’Onofrio and Nicolò Cardobi

Tomography 2022, 8(4), 1759-1769; https://doi.org/10.3390/tomography8040148

Received: 13 May 2022 / Revised: 23 June 2022 / Accepted: 30 June 2022 / Published: 6 July 2022

(This article belongs to the Special Issue New Advances in Magnetic Resonance Imaging (MRI))

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Abstract

Background: The aim of this study was to assess the technical feasibility and the impact on image quality and acquisition time of a deep learning-accelerated fat-saturated T2-weighted turbo spin echo sequence in musculoskeletal imaging of the extremities. Methods: Twenty-three patients who underwent MRI of the extremities were prospectively included. Standard T2w turbo inversion recovery magnitude (TIRMStd) imaging was compared to a deep learning-accelerated T2w TSE (TSEDL) sequence. Image analysis of 23 patients with a mean age of 60 years (range 30–86) was performed regarding image quality, noise, sharpness, contrast, artifacts, lesion detectability and diagnostic confidence. Pathological findings were documented measuring the maximum diameter. Results: The analysis showed a significant improvement for the T2 TSEDL with regard to image quality, noise, contrast, sharpness, lesion detectability, and diagnostic confidence, as compared to T2 TIRMStd (each p < 0.001). There were no differences in the number of detected lesions. The time of acquisition (TA) could be reduced by 52–59%. Interrater agreement was almost perfect (κ = 0.886). Conclusion: Accelerated T2 TSEDL was technically feasible and superior to conventionally applied T2 TIRMStd. Concurrently, TA could be reduced by 52–59%. Therefore, deep learning-accelerated MR imaging is a promising and applicable method in musculoskeletal imaging. View Full-Text

Keywords: deep learning; accelerated turbo spin echo MRI; musculoskeletal imaging; musculoskeletal tumors; artificial intelligence

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MDPI and ACS Style

Wessling, D.; Herrmann, J.; Afat, S.; Nickel, D.; Othman, A.E.; Almansour, H.; Gassenmaier, S. Reduction in Acquisition Time and Improvement in Image Quality in T2-Weighted MR Imaging of Musculoskeletal Tumors of the Extremities Using a Novel Deep Learning-Based Reconstruction Technique in a Turbo Spin Echo (TSE) Sequence. Tomography 2022, 8, 1759-1769. https://doi.org/10.3390/tomography8040148

AMA Style

Wessling D, Herrmann J, Afat S, Nickel D, Othman AE, Almansour H, Gassenmaier S. Reduction in Acquisition Time and Improvement in Image Quality in T2-Weighted MR Imaging of Musculoskeletal Tumors of the Extremities Using a Novel Deep Learning-Based Reconstruction Technique in a Turbo Spin Echo (TSE) Sequence. Tomography. 2022; 8(4):1759-1769. https://doi.org/10.3390/tomography8040148

Chicago/Turabian Style

Wessling, Daniel, Judith Herrmann, Saif Afat, Dominik Nickel, Ahmed E. Othman, Haidara Almansour, and Sebastian Gassenmaier. 2022. "Reduction in Acquisition Time and Improvement in Image Quality in T2-Weighted MR Imaging of Musculoskeletal Tumors of the Extremities Using a Novel Deep Learning-Based Reconstruction Technique in a Turbo Spin Echo (TSE) Sequence" Tomography 8, no. 4: 1759-1769. https://doi.org/10.3390/tomography8040148

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Reduction in Acquisition Time and Improvement in Image Quality in T2-Weighted MR Imaging of Musculoskeletal Tumors of the Extremities Using a Novel Deep Learning-Based Reconstruction Technique in a Turbo Spin Echo (TSE) Sequence

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