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Diagnostic and grading accuracy of 18 F-FDOPA PET and PET/CT in patients with gliomas: a systematic review and meta-analysis
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Diagnostic and grading accuracy of 18 F-FDOPA PET and PET/CT in patients with gliomas: a systematic review and meta-analysis
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Diagnostic and grading accuracy of 18 F-FDOPA PET and PET/CT in patients with gliomas: a systematic review and meta-analysis
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Journal Article
Diagnostic and grading accuracy of 18 F-FDOPA PET and PET/CT in patients with gliomas: a systematic review and meta-analysis
2019
Overview
Positron emission tomography (PET) and PET/computed tomography (PET/CT) imaging with 3,4-dihydroxy-6-[
F] fluoro-L-phenylalanine (
F-FDOPA) has been used in the evaluation of gliomas. We performed a meta-analysis to obtain the diagnostic and grading accuracy of
F-FDOPA PET and PET/CT in patients with gliomas.
PubMed, Embase, Cochrane Library and Web of Science were searched through 13 May 2019. We included studies reporting the diagnostic performance of
F-FDOPA PET or PET/CT in glioma patients. Pooled sensitivity, specificity, and area under the summary receiver operating characteristic (SROC) curve were calculated from eligible studies on a per-lesion basis.
Eventually, 19 studies were included. Across 13 studies (370 patients) for glioma diagnosis, the pooled sensitivity and specificity of
F-FDOPA PET and PET/CT were 0.90 (95%CI: 0.86-0.93) and 0.75 (95%CI: 0.65-0.83). Across 7 studies (219 patients) for glioma grading,
F-FDOPA PET and PET/CT showed a pooled sensitivity of 0.88 (95%CI: 0.81-0.93) and a pooled specificity of 0.73 (95%CI: 0.64-0.81).
F-FDOPA PET and PET/CT demonstrated good performance for diagnosing gliomas and differentiating high-grade gliomas (HGGs) from low-grade gliomas (LGGs). Further studies implementing standardized PET protocols and investigating the grading parameters are needed.
