[Transrectal ultrasonography of intravesical prostatic protrusion and the detection rate of clinically significant prostate cancer].

CsPCa is significantly correlated with the IPP grade, and the detection rate of CsPCa by TRUS-guided biopsy is lower in patients with IPP grade 3 than in those with IPP grades 0－2. Therefore, special attention should be paid to false negative probability in case of high-grade IPP.