1.
Radiother Oncol
; 73(1): 61-4, 2004 Oct.
Article
in English
| MEDLINE
| ID: mdl-15465147
ABSTRACT
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.