Augmented Reality Using Transurethral Ultrasound for Laparoscopic Radical Prostatectomy: Preclinical Evaluation

The Journal of Urology
Cecilia LanchonSandrine Voros

Abstract

To guide the surgeon during laparoscopic or robot-assisted radical prostatectomy an innovative laparoscopic/ultrasound fusion platform was developed using a motorized 3-dimensional transurethral ultrasound probe. We present what is to our knowledge the first preclinical evaluation of 3-dimensional prostate visualization using transurethral ultrasound and the preliminary results of this new augmented reality. The transurethral probe and laparoscopic/ultrasound registration were tested on realistic prostate phantoms made of standard polyvinyl chloride. The quality of transurethral ultrasound images and the detection of passive markers placed on the prostate surface were evaluated on 2-dimensional dynamic views and 3-dimensional reconstructions. The feasibility, precision and reproducibility of laparoscopic/transurethral ultrasound registration was then determined using 4, 5, 6 and 7 markers to assess the optimal amount needed. The root mean square error was calculated for each registration and the median root mean square error and IQR were calculated according to the number of markers. The transurethral ultrasound probe was easy to manipulate and the prostatic capsule was well visualized in 2 and 3 dimensions. Passive markers cou...Continue Reading

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Citations

Dec 27, 2017·Current Opinion in Urology·Matthias N van OosteromFijs W B van Leeuwen
Jun 6, 2020·International Journal of Computer Assisted Radiology and Surgery·Megha KaliaSeptimiu Salcudean
Sep 3, 2020·European Urology Focus·Shu WangMohummad Minhaj Siddiqui
Jun 6, 2020·Artificial Intelligence in Medicine·Arnaud HuaulméSandrine Voros

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