Non-contrast photon counting computed tomography of the head: optimized modeling of off-focal radiation to reduce calvarium-related tissue inhomogeneity

Non-contrast photon counting computed tomography of the head: optimized modeling of off-focal radiation to reduce calvarium-related tissue inhomogeneity

Abstract Background Photon counting CT (PCCT) is a promising technique for neuroradiological CT examinations. In initial studies on non-contrast PCCT of the head (NCCT), however, artifacts close to the calvarium were noticed, which lead to an inhomogeneous representation of the brain tissue. In this...

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Bibliographic Details
Main Authors: Arwed Elias Michael, Martin Petersilka, Denise Schoenbeck, Matthias Michael Woeltjen, Julius Henning Niehoff, Christoph Moenninghoff, Tanja Kurzendorfer, Jan Borggrefe, Lukas Goertz, Jan Robert Kroeger
Format: Article
Language:English
Published: BMC 2025-07-01
Series:BMC Medical Imaging
Subjects:
Computed tomography
Photon counting computed tomography
Photon counting detector
Image quality
Non-contrast CT of the head
Calvarial artefacts
Online Access:https://doi.org/10.1186/s12880-025-01718-w
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