“…Ultrasound findings may be used to guide targeted or systematic biopsy of the prostate, which is performed to supplement the standard systematic biopsy protocol in order to improve the positive cancer yield of prostate biopsy 2 – 3 . However, current ultrasound techniques using gray scale, color Doppler, and power Doppler imaging, elastography, and contrast‐enhanced ultrasound are not sufficient to confirm or exclude the presence of prostate cancer, and they should not be used to preclude the performance of prostate biopsy 4 – 5 …”