Innovation culture

Why computed tomography was redefined

Implementing the groundbreaking idea of a photon-counting detector1 called for a complete redefine of established CT technology.

8 min
Andrea Lutz
Published on November 15, 2021

When asked about the significance of photon counting for computed tomography (CT), Stefan Ulzheimer, Program Manager for photon-counting CT, says: “This development is comparable with the move from pixelated black-and-white television to HD color TV.”


Professor Thomas Flohr, PhD, Head of CT Concepts, Siemens Healthineers

photon-counting CT

Stefan Ulzheimer, PhD, Program Manager for photon-counting CT, Siemens Healthineers

Photon-counting ct

Christian Schröter is head of the crystal center.


Björn Kreisler, PhD, Senior Key Expert for detectors, Siemens Healthineers


By Andrea Lutz
Andrea Lutz is a journalist and business trainer specialized on medical topics, technology, and healthcare IT. She lives in Nuremberg, Germany.