Optimization of the Core Number and Location for Targeted Prostate Biopsy

An Exploratory Study of Optimizing the Core Number and Location for MRI/Ultrasound Fusion Targeted Prostate Biopsy

This study aims to investigate the effect of core number and location optimization for targeted prostate biopsy on pathological accuracy.

This is a single-center prospective study. The investigators perform MRI/US image fusion targeted saturation biopsy on prostate lesions with PI-RADS score 4, to investigate the effect of core number and location optimization for targeted prostate biopsy on pathological accuracy.

Inclusion Criteria:

1. Men more than 18 years old with clinical suspicion of prostate cancer;
2. Serum PSA ≤ 20 ng/ml within the previous 3 months;
3. No evidence of PSA increase by noncancerous factors, such as catheterization, bladder stones, or urinary tract infection including bacterial prostatitis;
4. mpMRI PI-RADS V2.1 score ≥4, diameter of ≤2.5 cm；
5. Able to provide written informed consent.

Exclusion Criteria:

1. Prior prostate biopsy or prostate surgery;
2. Prior treatment for prostate cancer;
3. Contraindication to MRI (e.g. claustrophobia, pacemaker);
4. Contraindication to prostate biopsy;
5. Men in whom artifact would reduce the quality of the MRI.