Abstract ID: 17130 Title: Imaging Symposium
Pitfalls and Remedies of MDCT Scanners as Quantitative Instruments
Objectives: CT HU accuracy is influenced by the fundamental properties of x-ray physics,
CT system calibration processes, data acquisition hardware and protocols, image
reconstruction techniques, and patient preparation and handling. With a renewed and
increased importance of quantitative imaging, this talk will provide an overview on this issue
and focus on a few specific areas: scatter, beam-hardening effect, CT components and system
impact, and data acquisition protocols. Various techniques to reduce, correct, or avoid the
pitfalls are presented. Current system limitations and new technologies to overcome the
shortcomings will also be discussed.