Multiparametric MRI/Transrectal Ultrasound Fusion Multiparametric MRI/Transrectal Ultrasound Fusion is a new modality that now is available at Miami Valley Hospital and Dayton Physicians Urology.  Many patients with an elevated PSA undergo prostate biopsy using standard transrectal ultrasound guidance. When the biopsy result is negative, and the PSA continues to rise, it is not uncommon…