The Variation of Axial Depth Dose with Focal Distance, with Field Area, and with Depth

1 April 1961

journal article
research article
Published by Oxford University Press (OUP) in The British Journal of Radiology

Vol. 34 (400) , 236-240
https://doi.org/10.1259/0007-1285-34-400-236

Abstract

Using the concept of "tumour-air ratio", formulae are derived for the dependence of axial depth dose on changes in focal distance, field area and depth.

Keywords

NEOPLASMS/RADIOTHERAPY
RADIOMETRY