Recently, intraoperative TRUS imaging has been used to visualize the prostate gland and NVB during laparoscopic radical prostatectomy (LRP). The investigators reported that the intraoperative use of TRUS was helpful in imaging the location and local extent of hypoechoic area(s), providing real-time guidance for the surgeon during NVB release and apical dissection of the prostate, and monitoring a calibrated, lobe-specific, wider dissection around a cancer nodule with suspected extracapsular extension (ECE). With the enhanced visualization of the surgical field by TRUS imaging, they reported significant improvement in NVB preservation and a decreasing rate of positive surgical margin, which is a surrogate for the technical quality of the surgery. However, several aspects related most likely to technology limitations can further be improved. For example, the TRUS probe was manipulated by a human assistant during LRP, compromising image stability especially with Doppler imaging, discarding the pose of the images, and performing navigation based on the recommendations of the assistant rather than using an actual navigation software. Moreover, their application of TRUS can be used in the non-robotic LRP only, because the daVinci® robot used in RALP occupies the place of a human assistant at the end of the operative table. Finally, there was no objective measure to quantify the performance of the navigational aid.