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  • Title: Accuracy of Percutaneous Core Biopsy in the Diagnosis of Small Renal Masses (≤ 4.0 cm): A Meta-analysis.
    Author: He Q, Wang H, Kenyon J, Liu G, Yang L, Tian J, Yue Z, Wang Z.
    Journal: Int Braz J Urol; 2015; 41(1):15-25. PubMed ID: 25928506.
    Abstract:
    OBJECTIVE: To use meta-analysis to determine the accuracy of percutaneous core needle biopsy in the diagnosis of small renal masses (SMRs ≤ 4.0 cm). MATERIALS AND METHODS: Studies were identified by searching PubMed, Embase, and the Cochrane Library database up to March 2013. Two of the authors independently assessed the study quality using QUADAS-2 tool and extracted data that met the inclusion criteria. The sensitivity, specificity, likelihood ratios, diagnostic odds ratio (DOR) and also summary receiver operating characteristic (SROC) curve were investigated and draw. Deek's funnel plot was used to evaluate the publication bias. RESULT: A total of 9 studies with 788 patients (803 biopsies) were included. Failed biopsies without repeated or aborted from follow-up/surgery result were excluded (232 patients and 353 biopsies). For all cases, the pooled sensitivity was 94.0% (95% CI: 91.0%, 95.0%), the pooled positive likelihood was 22.57 (95 % CI: 9.20-55.34), the pooled negative likelihood was 0.09 (95 % CI: 0.06-0.13), the pooled DOR was 296.52(95 % CI: 99. 42-884.38). The area under the curve of SROC analysis was 0.959 ± 0.0254. CONCLUSION: Imaging-guided percutaneous core needle biopsy of small renal masses (SMRs ≤ 4.0 cm) is highly accurate to malignant tumor diagnosis with unknown metastatic status and could be offered to some patients after clinic judgment prior to surgical intervention consideration.
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