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Assessing the diagnostic accuracy of unilateral systematic biopsy combined with targeted biopsy

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机构： [1]Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, Sichuan, China. [2]Department of Radiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China. [3]West China School of Medicine, Sichuan University, Chengdu, Sichuan, China. [4]Department of Nursing, Xiufeng Community Health Service Center, Guilin, Guangxi, China.

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关键词： prostate cancer prostate biopsy multiparametric magnetic resonance imaging utilization unilateral index lesion regional biopsy

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To evaluate unilateral systematic biopsy (SB) combined with targeted biopsy (TB) and assess its diagnostic accuracy in a real-world, single-centre setting.Patients with ≥1 MRI lesion who underwent both transperineal 12-core and 3-core TB were enrolled in this study. Detection rates for total prostate cancer (PCa) and clinically significant PCa (csPCa) were compared between TB, unilateral SB+TB, and SB+TB. Pathological consistency was assessed using the kappa test, and logistic regression was used to identify potential predictors.A total of 250 men were enrolled, of which 126 (50.4%) and 103 (41.2%) exhibited total PCa and csPCa, respectively. Compared to SB+TB, ipsilateral SB combined with TB (ips-SB+TB) had a comparable csPCa detection rate (99/250 vs 103/250, p=0.125), while fewer clinically insignificant PCa were detected (17/250 vs 23/250, p=0.031). In addition, ips-SB+TB demonstrated superior sensitivity for csPCa (96.1%) with an AUC of 0.98. The ips-SB+TB had a significantly higher positive core rate than SB+TB (472/2244 vs. 563/3744, p<0.001). Moreover, ips-SB+TB also had a high consistency of Gleason grade compared to SB+TB (Kappa=0.89). In the multi-lesion cohort, ips-SB+TB also had a comparable csPCa detection rate compared to SB+TB (63/128 vs. 67/128, p=0.125).In conclusion, our study showed that ips-SB+TB was comparable to SB+TB in detecting csPCa. The results of this study provide valuable insight into the potential of ips-SB+TB as an alternative to SB+TB.Copyright © 2025 Wu, He, Tu, Chen, Jiang, Wang, Chen, Liu, Huang, Tang, Yao and Wei.

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大类 | 3 区医学

小类 | 4 区肿瘤学

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大类 | 3 区医学

小类 | 4 区肿瘤学

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第一作者机构： [1]Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, Sichuan, China.

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