Needle identification in high-dose-rate prostate brachytherapy using ultrasound imaging modality.
It was observed that the needle tip identification in high-dose-rate (HDR) prostate brachytherapy is challenging due to various uncertainties. The errors in identifying the correct needle position and angulations could compromise patient treatment outcomes. In this article, we propose a method for the needle identification using real-time ultrasound images obtained during the treatment procedure. The developed algorithm is capable to detect both the needle tip in a predefined coordinate system and the needle deflection angle for each frame of the incoming real-time ultrasound video streams.
Thomas Jefferson University, Medical Physics Division, Philadelphia, PA, USA. ivan.buzurovic@jefferson.edu
Ivan
I
Buzurovic
Vladimir
V
Misic
Yan
Y
Yu
D000465:Algorithms; D001918:Brachytherapy / Q000295:instrumentation* / Q000706:statistics & numerical data; D003199:Computer Systems; D006801:Humans; D007090:Image Interpretation, Computer-Assisted; D008297:Male; D009339:Needles; D011471:Prostatic Neoplasms / Q000000981:diagnostic imaging* / Q000532:radiotherapy*; D011879:Radiotherapy Dosage; D011880:Radiotherapy Planning, Computer-Assisted; D014463:Ultrasonography