Clinical Research Directory

Inclusion Criteria: 1. men \> 35 years age and \<80 years of age 2. diagnosed with prostate cancer by prostate biopsy scheduled for radical prostatectomy 3. staging by standard procedures show localized disease (\<cT4) 4. PSA \< 50ng/ml 5. Access to the rectum for trans rectal ultrasound 6. Patient affiliated to the ''National security'' regimen or beneficiary of this regimen 7. Signed written informed consent prior to any screening procedures being performed Exclusion Criteria: 1. Patient with absence of diagnosis of prostate cancer 2. Patient with metastatic prostate cancer 3. Patient with rectal amputation 4. Patient with contraindications for MRI 5. Patient in urgency situation, adult under legal protection, or unable to give his consent.