The clinical value of deep learning reconstruction algorithm in pancreatic HASTE ⁃ T2WI sequence
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1Department of Radiology,the First Affiliated Hospital of Nanjing Medical University,Nanjing 210029 ; 2.Departmentof Human Anatomy,School of Basic Medicine,Nanjing Medical University,Nanjing 211166 ,China

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R445.2

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    Abstract:

    Objective:To evaluate the clinical value of deep learning(DL)- based reconstruction algorithm for half - Fourier acquisition single - shot turbo spin echo(HASTE)T2 - weighted imaging(T2WI)in pancreatic magnetic resonance imaging(MRI). Methods:A total of 69 patients underwent pancreatic conventional BLADE-TSE-T2WI and based on deep learning HASTE-DL-T2WI sequences scanning using 3.0T MR. The overall image quality,pancreatic sharpness,biliary duct clarity,and artifacts were subjectively scored using a Likert 5-point scale. The contrast to noise ratio(CNR)and signal to noise ratio(SNR)of normal pancreatic tissue and the lesion in both sequences were measured and compared,and the scan time was recorded. Results:The HASTE - DL sequence scored significantly higher in overall image quality,pancreatic sharpness,and bile duct clarity than the BLADE - TSE sequence(P < 0.001),with no statistical difference in artifact scores(P > 0.05). The SNR of normal pancreatic tissue,lesion SNR,and CNR in HASTE-DL images were superior to those of BLADE-TSE sequence(P < 0.001). Additionally,the scanning time of HASTEDL was reduced by 78% compared to BLADE -TSE. Conclusion:Compared to BLADE -TSE sequence,HASTE -DL provides better overall image quality,superior pancreatic sharpness and bile duct clarity,higher SNR and CNR,and significantly shorter scan time. Thus,HASTE-DL T2WI demonstrates excellent clinical utility in pancreatic MRI.

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XU Siyu, ZHANG Yongjie, TIAN Shui, WANG Jianwei. The clinical value of deep learning reconstruction algorithm in pancreatic HASTE ⁃ T2WI sequence[J].,2025,45(6):810-815.

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  • Received:October 16,2024
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  • Online: June 10,2025
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