Keywords: PelvicPhantom.jpg en Images of a pelvic phantom demonstrating the dynamic range of CR The image on the left is taken using 2 mAs and the one on the right using 160 mAs The major discernible difference is the marked increase in quantum mottle associated with the low exposure image e g examine the variation in pixel values in the region shown arrowed own Kieranmaher 2001-01-01 Reproduced with permission from Heggie JCP Liddell NA Maher KP 2001 Applied Imaging Technology 4th Edition Physics diagrams |