The Secrets of CT: Photon counting

Listen to this podcast episode to discover more about the potential of photon-counting technology for computed tomography. Although the invention of computed tomography (CT) was already seen as a game-changer and many improvements were made over the years, it was still limited by image quality and radiation dose, among other things, and not all patients could be diagnosed. This necessitated the development of the photon-counting CT that provides additional clinical information at a low radiation dose and for an increasing number of patients. In this episode, André Hartung, President of Diagnostic Imaging at Siemens Healthineers, is joined by four guests: Anders Persson, Professor of Medical Image Science, Senior Radiologist, and Head of the Centre for Medical Image Science and Visualisation at Linköping University in Sweden; Fabian Bamberg, the Chair of the Department of Radiology at the University of Freiburg in Germany; Thomas Flohr, Head of CT Physics at Siemens Healthineers; and Christian Schröter from the Siemens Healthineers’ Crystal Center. 00:00 The secrets of CT: Photon counting 01:20 An introduction to photon counting 02:43 Earlier commercial scanners 03:36 What is photon counting? 07:12 Image quality 12:45 Growing crystals 23:04 Conclusion