Multi‐needle Localization with Attention U‐Net in US‐guided HDR Prostate Brachytherapy

Purpose Ultrasound (US)‐guided high dose rate (HDR) prostate brachytherapy requests the clinicians to place HDR needles (catheters) into the prostate gland under transrectal US (TRUS) guidance in the operating room. The quality of the subsequent radiation treatment plan is largely dictated by the needle placements, which varies upon the experience level of the clinicians and the procedure protocols. Real‐time plan dose distribution, if...