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논문 기본 정보

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학술저널
저자정보
Yunyong Lin (Department of Ultrasound, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou) Wenjie Lu (Department of Ultrasound, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou) Guojing Li (Department of Medical Imaging, The Second Clinical College of Guangzhou Medical University, Guangzhou, China) Lin Mao (Department of Ultrasound, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou) Liangyan Ouyang (Department of Ultrasound, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou) Zhimin Zhu (Department of Ultrasound, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou) Shiyan Chen (Department of Ultrasound, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou) Peixian Liang (Department of Ultrasound, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou) Haowei Jin (Department of Ultrasound, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou) Linlin Gao (Department of Ultrasound, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou) Jianjing Liang (Department of Ultrasound, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou) Shaodong Qiu (Department of Ultrasound, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou) Fei Chen (Department of Ultrasound, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou)
저널정보
대한초음파의학회 ULTRASONOGRAPHY ULTRASONOGRAPHY Vol.43 No.2
발행연도
2024.3
수록면
98 - 109 (12page)
DOI
10.14366/usg.23171

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Purpose: The goal of this study was to examine changes in testicular stiffness at various intervals after the induction of testicular torsion, as well as to assess the predictive value of testicular stiffness for testicular spermatogenesis after torsion. Methods: Sixty healthy male rabbits were randomly assigned to one of three groups: complete testicular torsion, incomplete testicular torsion, or control. All rabbits underwent preoperative and postoperative scrotal ultrasonography, including shear wave elastography (SWE), at predetermined intervals. Changes in SWE values were analyzed and compared using repeated- measures analysis of variance. To assess the diagnostic performance of SWE in determining the degree of spermatogenic function impairment, the areas under the receiver operating characteristic curves (AUCs) were calculated. Results: SWE measurements in both central and peripheral zones of the testicular parenchyma affected by torsion demonstrated significant negative correlations with spermatogenesis, with coefficients of r=-0.759 (P<0.001) and r=-0.696 (P<0.001), respectively. The AUCs of SWE measurements in the central or peripheral zones of the torsed testicular parenchyma were 0.886 (sensitivity, 83.3%; specificity, 100%) and 0.824 (sensitivity, 83.3%; specificity, 73.3%) for distinguishing between hypospermatogenesis and spermatogenic arrest, respectively (P=0.451, DeLong test). Conclusion: Variations in the stiffness of both central and peripheral regions of the testicular parenchyma correlate with the extent and duration of torsion, exhibiting a specific pattern. The "stiff ring sign" is the characteristic SWE finding associated with testicular torsion. SWE appears to aid in the non-invasive determination of the extent of spermatogenic damage in torsed testes.
#Testicular torsion #Shear wave elastography #Ultrasonography

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