Diagnostic Evaluation of 18F-FDG PET/CT Imaging in Recurrent or Residual Urinary Bladder Cancer: A Meta-Analysis
Urology Journal,
Vol. 17 No. 6 (2020),
9 January 2021
,
Page 562-567
https://doi.org/10.22037/uj.v17i6.5538
Abstract
Purpose: To assess the diagnostic accuracy of fluorine-18 fluorodeoxyglucose positron emission tomography
combined with the computed tomography (18F-FDG PET/CT) in the detection of recurrent or residual urinary
bladder cancer with meta-analysis.
Methods: We searched PubMed/MEDLINE, Embase, Web of Science, CBM, CNKI, VIP, and Wanfang databases
through October 2019. Two reviewers independently screened the full articles. The imaging findings were
confirmed by either histopathology or clinical follow-up. Sensitivity, specificity likelihood ratio and diagnostic
odds ratio were pooled with 95 % confidence intervals (CI). Overall test performance was summarized by a summary receiver operating characteristic (ROC) curve. The Meta-DiSc software (version 1.4) was used to perform the meta-analysis.
Results: The meta-analysis included 7 studies. The pooled sensitivity and specificity of PET/CT for the detection
of recurrent or residual urinary bladder cancer was 94.0% (95% CI: 91.0%–96.0%) and 92.0% (95% CI: 88.0%–
95.0%), respectively. Positive likelihood ratio, negative likelihood ratio and diagnostic odds ratio were 9.77 (95%
CI: 4.91–19.41), 0.99(95% CI: 0.06–0.13) and 95.09 (95% CI: 47.96–188.53), respectively. When residual urinary
bladder cancer was excluded, sensitivity changed slightly.
Conclusion: This meta-analysis suggested that the diagnostic accuracy of PET/CT was good in detecting recurrent or residual urinary bladder cancer.
- bladder cancer; FDG PET/CT; sensitivity; specificity; meta-analysis
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