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ORIGINAL ARTICLE
Year : 2016  |  Volume : 12  |  Issue : 8  |  Page : 304-308

A meta-analysis to evaluate the diagnostic value of dual-time-point F-fluorodeoxyglucose positron emission tomography/computed tomography for diagnosis of pulmonary nodules


Department of Thoracic Surgery, Chinese PLA General Hospital, 100853 Beijing, China

Correspondence Address:
Yuqi Wang
Department of Thoracic Surgery, Chinese PLA General Hospital, 100853 Beijing
China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-1482.200742

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Objectives: This meta-analysis aimed at evaluating the efficacy of dual-time-point (DTP) F-fluorodeoxyglucose (F-FDG) positron emission tomography/computed tomography (PET/CT) in diagnosing pulmonary nodules. Methods: Using computer and manual search, the current research about the efficacy of DTP F-FDG PET/CT in diagnosing pulmonary nodules was collected. According to the evaluation criteria of Quality Assessment of Diagnostic Accuracy Studies Scale, the data from 13 studies were analyzed by Meta-DiSc software, and the sensitivity (Sen), specificity (Spe), diagnostic odds ratios (DOR), positive likelihood ratios (LR+), and negative likelihood ratios (LR) were summarized. Results: A total of 13 articles were included in this study, involving 962 patients. The meta-analysis showed that the rough Sen of DTP PET/CT was 0.80 (95% confidence interval [CI] 0.76–0.84, I2 = 83.2%), the summary Spe was 0.75 (95% CI 0.71–0.79, I2 = 89.3%), the summary LR + and LR were 2.57 (95% CI 1.54–4.29) and 0.28 (95% CI 0.16–0.5), respectively, and DOR was 10.01 (95% CI 3.83–26.18). Conclusion: DTP F-FDG PET/CT has similar Sen and Spe, with single-time-point PET/CT in diagnosing pulmonary nodules. Further high-quality research is required to explore the potential value of DTP F-FDG PET/CT.


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