How does multiparametric MRI compare to biomarkers for identifying patients for prostate biopsy?

Prof. Nicolaas Lumen

(28 June 2017)


Biomarkers and multiparametric MRI are not competitors of each other. A biomarker is an objective biological test, whereas an MRI provides images of the prostate and surrounding tissue. This is a subjective interpretation with inter-observer and even intra-observer variability. Contra-indications for MRI should also be taken into account [allergies to the contrast agent, non-MRI compatible implants, and claustrophobia]. People that are not able to undergo an MRI, will need a biomarker test to determine the likelihood of finding clinically significant prostate cancer upon biopsy.

You should use the test with the best accuracy, which will probably be a good biomarker

The biomarker test can be used for screening or triage. If the likelihood of finding clinically significant prostate cancer is high, an MRI-targeted biopsy can be performed subsequently. [If low, there is only a very small risk of missing clinically significant prostate cancer with the new generation biomarker tests.]

Photo - Prof. Nicolaas Lumen
Prof. Nicolaas Lumen
Ghent University Hospital, Ghent, Belgium

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