Plain abdominal radiograph shows multiple tiny stones (arrows) lined in the distal right ureter. The patient has had a recent extracorporeal...

PA chest radiograph of an 80-year-old man who was a miner decades ago shows multiple large opacities (arrows, large opacity = parenchymal op...

Axial CT image shows a normal-appearing thymus (arrows) with minimal soft tissue strands and mostly fat replacement of the gland. The gland ...

One Basic Reason for Use of Dual Energy CT: Material Differentiation By scanning a patient at two different energy spectra (on an example ab...

A Growing Need for a New Kind of CT We need a better delineation of tissue components than just simple Hounsfield Units We need to scan fast...