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68Ga-PSMA PET/MRI for the diagnosis of primary and biochemically recurrent prostate cancer: A meta-analysis.

Abstract：

PURPOSE:Our meta-analysis aimed to evaluate the diagnostic performance of 68Ga-labelled prostate-specific membrane antigen ligand positron emission tomography/magnetic resonance imaging (68Ga-PSMA PET/MRI) in patients with primary and biochemically recurrent prostate cancer (PCa). METHODS:We searched for relevant articles in PubMed, EMBASE, the Cochrane Library and Web of Science until September 12, 2019. Studies regarding the diagnostic performance of68Ga-PSMA PET/MRI in detecting primary PCa and biochemical recurrence (BCR) after definitive treatment were included. The quality of each study was assessed using the Quality Assessment of Diagnostic Accuracy Studies-2 (QUADAS-2) tool. The pooled sensitivity and specificity of PET/MRI in identifying primary PCa and the pooled detection rate of PET/MRI for BCR were calculated using a random-effects model. RESULTS:A total of 13 studies with 707 patients were included in the analysis, and the pooled sensitivity and specificity of PET/MRI in detecting primary PCa were 0.83 (95 % CI, 0.73-0.90) and 0.81 (95 % CI, 0.61-0.93), respectively. In the pooled analysis of BCR, the pooled detection rate was 76 % (95 % CI, 72 %-79 %). For four levels of PSA (0-0.2 ng/mL, 0.2-1 ng/mL, 1-2 ng/mL and more than 2 ng/mL), the pooled detection rates were 38 %, 67 %, 74 %, and 95 %, respectively. There was no distinct publication bias, but there was significant study heterogeneity. CONCLUSIONS:68Ga-PSMA PET/MRI is likely an effective imaging method in the diagnosis of primary PCa. In addition, the diagnostic accuracy of 68Ga-PSMA PET/MRI in patients with BCR was also high, positively correlating with PSA levels.

journal_name

Eur J Radiol

journal_title

European journal of radiology

authors

Wang R,Shen G,Yang R,Ma X,Tian R

doi

10.1016/j.ejrad.2020.109131

subject

Has Abstract

pub_date

2020-09-01 00:00:00

pages

109131

eissn

0720-048X

issn

1872-7727

pii

S0720-048X(20)30320-X

journal_volume

130

pub_type

杂志文章

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