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- Title
PET/MRI in prostate cancer: a systematic review and meta-analysis.
- Authors
Evangelista, Laura; Zattoni, Fabio; Cassarino, Gianluca; Artioli, Paolo; Cecchin, Diego; dal Moro, Fabrizio; Zucchetta, Pietro
- Abstract
Aim: In recent years, the clinical availability of scanners for integrated positron emission tomography (PET) and magnetic resonance imaging (MRI) has enabled the practical potential of multimodal, combined metabolic-receptor, anatomical, and functional imaging to be explored. The present systematic review and meta-analysis summarize the diagnostic information provided by PET/MRI in patients with prostate cancer (PCa). Materials and methods: A literature search was conducted in three different databases. The terms used were "choline" or "prostate-specific membrane antigen - PSMA" AND "prostate cancer" or "prostate" AND "PET/MRI" or "PET MRI" or "PET-MRI" or "positron emission tomography/magnetic resonance imaging." All relevant records identified were combined, and the full texts were retrieved. Reports were excluded if (1) they did not consider hybrid PET/MRI; or (2) the sample size was < 10 patients; or (3) the raw data were not enough to enable the completion of a 2 × 2 contingency table. Results: Fifty articles were eligible for systematic review, and 23 for meta-analysis. The pooled data concerned 2104 patients. Initial disease staging was the main indication for PET/MRI in 24 studies. Radiolabeled PSMA was the tracer most frequently used. In primary tumors, the pooled sensitivity for the patient-based analysis was 94.9%. At restaging, the pooled detection rate was 80.9% and was higher for radiolabeled PSMA than for choline (81.8% and 77.3%, respectively). Conclusions: PET/MRI proved highly sensitive in detecting primary PCa, with a high detection rate for recurrent disease, particularly when radiolabeled PSMA was used.
- Subjects
MAGNETIC resonance imaging; META-analysis; POSITRON emission tomography; GLEASON grading system; ENDORECTAL ultrasonography; PROSTATE cancer; PROSTATE cancer patients; CONTINGENCY tables
- Publication
European Journal of Nuclear Medicine & Molecular Imaging, 2021, Vol 48, Issue 3, p859
- ISSN
1619-7070
- Publication type
Article
- DOI
10.1007/s00259-020-05025-0