MRI Guided Strategies Are Cost Effective in Prostate Cancer Detection

MRI Guided Biopsy Is Cost Effective In Detection of Prostate Cancer

The advantage of using MRI is that it gives me as a physician a more accurate and precise identification of any suspicious lesions which may not have been found using traditional US-guided biopsy

A study published in the journal Radiology found using magnetic resonance imaging (MRI) guided strategies in the detection of prostate cancer are cost-effective when compared with the standard biopsy strategy in a decision-analysis model.

“Currently, the standard for detecting prostate cancer is a systematic transrectal ultrasonography guided biopsy if there are suspicions from findings of a digital rectal exam or from a blood sample to test a man’s prostate-specific antigen or PSA,” said Dr. David Samadi. “This procedure uses a needle to collect about 12-16 cores of the prostate in predefined locations in men with elevated blood PSA levels or an abnormal digital rectal exam. However, about 30% of cancers are found outside of this area. This means that even if the biopsy is negative for finding cancer, there is still the possibility that this biopsy may have missed pockets of undetected tissue.”

Both MRI and MRI-guided biopsy techniques are highly sensitive and specific in detecting clinically significant prostate cancer. The reluctance in using these techniques into practice guidelines for prostate cancer detection is the belief they are too costly to use. Researchers wanted to evaluate the cost-effectiveness of multiparametric diagnostic MRI examination followed by MRI-guided biopsy strategies for the detection of prostate cancer in biopsy-naïve men who were suspected of having prostate cancer for the first time.

For the study, the researchers created a…

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