Performing daily prostate targeting with a standard V-EPID and an automated radio-opaque marker detection algorithm.
Online prostate positioning using gold markers and a standard video-based electronic portal imaging device is reported. The average systematic (random) errors have been reduced from 2.1 mm (2.7 mm) to 0.5 mm (1.5 mm) in AP direction, 1.1 mm (1.7 mm) to 0.7 mm (1.2 mm) SI and 1.2 mm (1.7 mm) to 0.6 mm (1.3 mm) LR.
Beaulieu
Luc
L
Department of radiation oncology and Centre de Recherche en Cancérologie de l'Université Laval, Hôtel-Dieu de Québec, Centre Hospitalier Universitaire de Québec (CHUQ), 11 Cote du Palais, Québec, Canada, G1R 2J6.
Girouard
Louis-Martin
LM
Aubin
Sylviane
S
Aubry
Jean-François
JF
Brouard
Lucie
L
Roy-Lacroix
Lise
L
Dumont
Jean
J
Tremblay
Daniel
D
Laverdière
Jacques
J
Vigneault
Eric
E
D000465:Algorithms; D004582:Electronics, Medical; D006801:Humans; D008297:Male; D011471:Prostatic Neoplasms / Q000532:radiotherapy*; D011878:Radiotherapy / Q000295:instrumentation; D012825:Silicon
D012825:Silicon