Fig. 2From: Heterogeneity correction for intensity-modulated frameless SRS in pituitary and cavernous sinus tumors: a retrospective study a Rando Man® phantom irradiated with an anterior oblique beam through the sinus cavity. b Predicted isodose distribution through sinus cavity by PB algorithm. c Dose Volume Histogram (DVH) comparing dose to structure in air for PB versus AAA. d Predicted isodose distribution by AAA algorithm. e DVH comparing dose to structure in air by PB versus AXB. f Predicted isodose distribution by AXB algorithmBack to article page