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Diagnostic Accuracy of PET/CT or PET/MRI Using PSMA-Targeting Radiopharmaceuticals in High-Grade Gliomas: A Systematic Review and a Bivariate Meta-Analysis.


ABSTRACT:

Background

Several studies proposed the use of positron emission tomography (PET) with Prostate Specific Membrane Antigen (PSMA)-targeting radiopharmaceuticals in brain tumors. Our aim is to calculate the diagnostic accuracy of these methods in high-grade gliomas (HGG) with a bivariate meta-analysis.

Methods

A comprehensive literature search of studies on the diagnostic accuracy of PET/CT or PET/MRI with PSMA-targeting radiopharmaceuticals in HGG was performed. Original articles evaluating these imaging methods both in the differential diagnosis between HGG and low-grade gliomas (LGG) and in the assessment of suspicious HGG recurrence were included. Pooled sensitivity, specificity, positive and negative likelihood ratios (LR+ and LR-), and diagnostic odds ratio (DOR) including 95% confidence intervals (95% CI) were calculated. Statistical heterogeneity was also assessed using the I2 test.

Results

The meta-analysis of six selected studies (157 patients) provided the following results about PET/CT or PET/MRI with PSMA-targeting radiopharmaceuticals in the diagnosis of HGG: sensitivity 98.2% (95% CI: 75.3-99.9%), specificity 91.2% (95% CI: 68.4-98.1%), LR+ 4.5 (95% CI: 2.2-9.3), LR- 0.07 (95% CI: 0.04-0.15), and DOR 70.1 (95% CI: 19.6-250.9). No significant statistical heterogeneity among the included studies was found (I2 = 0%).

Conclusions

the quantitative data provided demonstrate the high diagnostic accuracy of PET/CT or PET/MRI with PSMA-targeting radiopharmaceuticals for HGG detection. However, more studies are needed to confirm the promising role of PSMA-targeted PET in this clinical setting.

SUBMITTER: Muoio B 

PROVIDER: S-EPMC9323081 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature

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Publications

Diagnostic Accuracy of PET/CT or PET/MRI Using PSMA-Targeting Radiopharmaceuticals in High-Grade Gliomas: A Systematic Review and a Bivariate Meta-Analysis.

Muoio Barbara B   Albano Domenico D   Dondi Francesco F   Bertagna Francesco F   Garibotto Valentina V   Kunikowska Jolanta J   Piccardo Arnoldo A   Annunziata Salvatore S   Espeli Vittoria V   Migliorini Denis D   Treglia Giorgio G  

Diagnostics (Basel, Switzerland) 20220708 7


<h4>Background</h4>Several studies proposed the use of positron emission tomography (PET) with Prostate Specific Membrane Antigen (PSMA)-targeting radiopharmaceuticals in brain tumors. Our aim is to calculate the diagnostic accuracy of these methods in high-grade gliomas (HGG) with a bivariate meta-analysis.<h4>Methods</h4>A comprehensive literature search of studies on the diagnostic accuracy of PET/CT or PET/MRI with PSMA-targeting radiopharmaceuticals in HGG was performed. Original articles e  ...[more]

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