MRI outperforms PET for detecting local prostate cancer recurrence


 A recent comparison of imaging modalities highlights the superior sensitivity of Multiparametric MRI (mpMRI) over PSMA PET-CT for detecting local cancer recurrence following prostatectomy. While PSMA PET-CT is widely recognized for its ability to detect distant metastases, this study reveals that it may miss smaller, localized recurrences in the prostatic bed that MRI successfully identifies. The data indicates only moderate agreement between the two modalities, suggesting they should be viewed as complementary rather than interchangeable.


These findings have significant implications for post-surgical monitoring protocols. For clinicians suspecting local failure after a prostatectomy, relying solely on PET-CT might lead to false negatives. The study advocates for the continued use of mpMRI as a critical tool for local evaluation, ensuring that patients with localized recurrence can be identified early and considered for salvage therapies.
Read the original article at: https://www.medscape.com/index/list_12281_0


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