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Photon-Counting Computed Tomography (PC-CT) of the spine: impact on diagnostic confidence and radiation dose by Alexander Rau; Jakob Straehle; Thomas Stein; Thierno Diallo; Stephan Rau; Sebastian Faby; Konstantin Nikolaou; Stefan O. Schoenberg; Daniel Overhoff; Jürgen Beck; Horst Urbach; Jan-Helge Klingler; Fabian Bamberg; Jakob Weiss is a Medicine article available to read on EtoBox.
What is Photon-Counting Computed Tomography (PC-CT) of the spine: impact on diagnostic confidence and radiation dose about?
Objectives Computed tomography (CT) is employed to evaluate surgical outcome after spinal interventions. Here, we investigate the potential of multispectral photon-counting computed tomography (PC-CT) on image quality, diagnostic confidence, and radiation dose compared to an energy-integrating CT (EID-CT). Methods In this prospective study, 32 patients underwent PC-CT of the spine. Data was reconstructed in two ways: (1) standard bone kernel with 65-keV (PC-CT std ) and (2) 130-keV monoenergetic images (PC-CT 130 keV ). Prior EID-CT was available for 17 patients; for the remaining 15, an age-, sex-, and body mass index-matched EID-CT cohort was identified. Image quality (5-point Likert scales on overall, sharpness, artifacts, noise, diagnostic confidence) of PC-CT std and EID-CT was assessed by four radiologists independently. If metallic implants were present (n = 10), PC-CT std and PC-CT 130 keV images were again assessed by 5-point Likert scales by the same radiologists. Hounsfield units (HU) were measured within metallic artifact and compared between PC-CT std and PC-CT 130 keV . Finally, the radiation dose (CTDI vol ) was evaluated. Results Sharpness was rated significantly hi
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- Author
- Alexander Rau; Jakob Straehle; Thomas Stein; Thierno Diallo; Stephan Rau; Sebastian Faby; Konstantin Nikolaou; Stefan O. Schoenberg; Daniel Overhoff; Jürgen Beck; Horst Urbach; Jan-Helge Klingler; Fabian Bamberg; Jakob Weiss
- Publisher
- Springer Science and Business Media LLC
- Published
- 2023
- Language
- EN
- Field
- Medicine (Health Sciences)