Author:
Jianguo Qian, et al, Johns Hopkins University, Baltimore (USA)
Summary:
The author draws the preliminary conclusion that IQM is a stable dosimetric system and can detect dosimetric deviations caused by small leaf errors in stereotactic radiation therapy. The sensitivity to leaf errors is more pronounced for relatively small fields (i.e., small targets) in SBRT. IQM appears to be more sensitive than Mapcheck2 to small leaf errors in small SBRT targets while showing similar sensitivity in relatively large SBRT targets.