Acta radiologica (Stockholm, Sweden : 1987) · 2018
68Ga-somatostatin receptor analogs and 18F-FDG PET/CT in the localization of metastatic pheochromocytomas and paragangliomas with germline mutations: a meta-analysis.
СтатьяМетаанализСистематический обзорНазвание и аннотация: Перевод пока не подготовлен
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Kan Ying, Zhang Shuxin, Wang Wei, Liu Jie, Yang Jigang, Wang Zhenchang
Аннотация
BACKGROUND: Metastatic pheochromocytoma and paraganglioma (PCs/PGLs) show high germline mutation, and 18F-FDG and 68Ga-DOTA peptide positron emission tomography/computed tomography (PET/CT) imaging are recommended for the diagnosis of metastatic of PCs. However, there has been lack of direct comparison of the two modalities in the diagnosis of metastatic of PCs up to now.
PURPOSE: To evaluate and compare the value of localization of 68Ga-somatostatin receptor analogs and 18F-FDG in the diagnosis of metastatic PCs/PGLs.
MATERIAL AND METHODS: A comprehensive literature search of PubMed/MEDLINE, ScienceDirect, and Web of Science was performed in accordance with the Preferred Reporting Items for Systematic Review and Meta-analysis (PRISMA) guidelines published in August 2016. We critically reviewed all studies based on the PICOS criteria. QUADAS-2 was used to evaluate the quality of the methodology of the included studies.
RESULTS: This meta-analysis included 17 studies (629 patients, average age [mean ± SD] = 42.7 ± 6.3 years). The pooled sensitivity and specificity of 18F-FDG and 68Ga peptides were 0.85 (95% confidence interval [CI] = 0.78-0.91) and 0.55 (95% CI = 0.37-0.73), and 0.95 (95% CI = 0.92-0.97) and 0.87 (95% CI = 0.63-0.96), respectively. The area under the sROC curves of the 18F-FDG and 68Ga peptides were 0.88 (95% CI = 0.85-0.91) and 0.78 (95% CI = 0.74-0.81), respectively. A subgroup analysis demonstrated that the difference at the per-lesion level and gene mutation level was significant.
CONCLUSION: Compared to 18F-FDG PET/CT, the 68Ga-somatostatin receptor demonstrated good performance in the localization of metastatic PCs/PGLs, especially those with germline mutations. The use of the 68Ga-somatostatin receptor can be a new tool in the diagnosis of metastatic PCs/PGLs.
PURPOSE: To evaluate and compare the value of localization of 68Ga-somatostatin receptor analogs and 18F-FDG in the diagnosis of metastatic PCs/PGLs.
MATERIAL AND METHODS: A comprehensive literature search of PubMed/MEDLINE, ScienceDirect, and Web of Science was performed in accordance with the Preferred Reporting Items for Systematic Review and Meta-analysis (PRISMA) guidelines published in August 2016. We critically reviewed all studies based on the PICOS criteria. QUADAS-2 was used to evaluate the quality of the methodology of the included studies.
RESULTS: This meta-analysis included 17 studies (629 patients, average age [mean ± SD] = 42.7 ± 6.3 years). The pooled sensitivity and specificity of 18F-FDG and 68Ga peptides were 0.85 (95% confidence interval [CI] = 0.78-0.91) and 0.55 (95% CI = 0.37-0.73), and 0.95 (95% CI = 0.92-0.97) and 0.87 (95% CI = 0.63-0.96), respectively. The area under the sROC curves of the 18F-FDG and 68Ga peptides were 0.88 (95% CI = 0.85-0.91) and 0.78 (95% CI = 0.74-0.81), respectively. A subgroup analysis demonstrated that the difference at the per-lesion level and gene mutation level was significant.
CONCLUSION: Compared to 18F-FDG PET/CT, the 68Ga-somatostatin receptor demonstrated good performance in the localization of metastatic PCs/PGLs, especially those with germline mutations. The use of the 68Ga-somatostatin receptor can be a new tool in the diagnosis of metastatic PCs/PGLs.