Abstract #4121
Comparison of Systematic and MRI-Ultrasound Fusion Targeted Prostate Biopsies in Men With No Prior Biopsies
Daniel Margolis 1 , Edward Chang 2 , Frederick Dorey 3 , Jesse Le 2 , Patricia Lieu 2 , and Leonard Marks 2
1
Department of Radiological Sciences, UCLA,
Los Angeles, CA, United States,
2
Urology,
UCLA, Los Angeles, CA, United States,
3
Biostatistics,
UCLA, Los Angeles, CA, United States
MRI-ultrasound fusion targeted prostate biopsy has shown
improved yield for significant cancer in men with prior
negative biopsies and undergoing active surveillance. It
has also been shown to improve yield for the initial
biopsy session. We present a comparison of systematic
versus targeted biopsy yield in men with elevated PSA
but no prior biopsies using 4 definitions of significant
disease. The rates of detection were similar, although
both systematic and targeted biopsies miss significant
disease for all definitions. However, this detection
rate occurred with nearly twice as many systematic as
targeted biopsy cores.
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