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Ultrasonographic evaluation of the rete testis thickness:a promising approach to differentiate obstructive from nonobstructive azoospermia

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Asian Journal of Andrology 2023年第6期25卷 725-730页

作者： Xin Li Ru-Hui Tian Peng Li Chun-Xiao Li Ming-Hua Yao Chen-Cheng Yao Xiao-Bo Wang Li-Ren Jiang Zheng Li Rong Wu Department of Ultrasound Shanghai General HospitalShanghai Jiao Tong University School of MedicineShanghai 200080China Department of Andrology The Center for Men’s HealthUrologic Medical CenterShanghai Key Laboratory of Reproductive MedicineShanghai General HospitalShanghai Jiao Tong University School of MedicineShanghai 200080China Department of Pathology Shanghai General HospitalShanghai Jiao Tong University School of MedicineShanghai 200080China

This study aimed to evaluate the ability of rete testis thickness(RTT)and testicular shear wave elastography(SWE)to differentiate obstructive azoospermia(OA)from nonobstructive azoospermia(NOA).We assessed 290 testes of 145 infertile males with azoospermia and 94 testes of 47 healthy volunteers at Shanghai General Hospital(Shanghai,China)between August 2019 and October *** testicular volume(TV),SWE,and RTT were compared among patients with OA and NOA and healthy *** diagnostic performances of the three variables were evaluated using the receiver operating characteristic *** TV,SWE,and RTT in OA differed significantly from those in NOA(all P≤0.001)but were similar to those in healthy *** with OA and NOA were similar at TVs of 9–11 cm^(3)(P=0.838),with sensitivity,specificity,Youden index,and area under the curve of 50.0%,84.2%,0.34,and 0.662(95%confidence interval[CI]:0.502–0.799),respectively,for SWE cut-off of 3.1 kPa;and 94.1%,79.2%,0.74,and 0.904(95%CI:0.811–0.996),respectively,for RTT cut-off of 1.6 *** results showed that RTT performed significantly better than SWE in differentiating OA from NOA in the TV overlap *** conclusion,ultrasonographic RTT evaluation proved a promising diagnostic approach to differentiate OA from NOA,particularly in the TV overlap range.

关键词： azoospermia differential diagnosis rete testis thickness shear wave elastography

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