Influence of helical pitch and gantry rotation time on image quality and file size in ultrahigh-resolution photon-counting detector CT.

Humans Photons Tomography, X-Ray Computed / methods Cadaver Rotation Radiation Dosage Tomography, Spiral Computed / methods
Gantry rotation time Helical pitch factor Photon-counting Raw data Tomography, x-ray computed

Journal

Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288

Informations de publication

Date de publication:
23 Apr 2024
Historique:
received: 02 12 2023
accepted: 15 04 2024
medline: 24 4 2024
pubmed: 24 4 2024
entrez: 23 4 2024
Statut: epublish

Résumé

The goal of this experimental study was to quantify the influence of helical pitch and gantry rotation time on image quality and file size in ultrahigh-resolution photon-counting CT (UHR-PCCT). Cervical and lumbar spine, pelvis, and upper legs of two fresh-frozen cadaveric specimens were subjected to nine dose-matched UHR-PCCT scan protocols employing a collimation of 120 × 0.2 mm with varying pitch (0.3/1.0/1.2) and rotation time (0.25/0.5/1.0 s). Image quality was analyzed independently by five radiologists and further substantiated by placing normed regions of interest to record mean signal attenuation and noise. Effective mAs, CT dose index (CTDI

Identifiants

DOI: 10.1038/s41598-024-59729-6 PMID: 38653758
pubmed: 38653758
doi: 10.1038/s41598-024-59729-6
pii: 10.1038/s41598-024-59729-6
doi:

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

9358

Subventions

Organisme : Interdisziplinäres Zentrum für Klinische Forschung, Universitätsklinikum Würzburg
ID : Z-3BC/02
Organisme : Interdisziplinäres Zentrum für Klinische Forschung, Universitätsklinikum Würzburg
ID : Z-02CSP/18

Informations de copyright

© 2024. The Author(s).

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Auteurs

Philipp Feldle (P)

Department of Diagnostic and Interventional Radiology, University Hospital Wuerzburg, Oberduerrbacher Straße 6, 97080, Wuerzburg, Germany.

Jan-Peter Grunz (JP)

Department of Diagnostic and Interventional Radiology, University Hospital Wuerzburg, Oberduerrbacher Straße 6, 97080, Wuerzburg, Germany.

Henner Huflage (H)

Department of Diagnostic and Interventional Radiology, University Hospital Wuerzburg, Oberduerrbacher Straße 6, 97080, Wuerzburg, Germany.

Andreas Steven Kunz (AS)

Department of Diagnostic and Interventional Radiology, University Hospital Wuerzburg, Oberduerrbacher Straße 6, 97080, Wuerzburg, Germany.

Süleyman Ergün (S)

Institute of Anatomy and Cell Biology, University of Wuerzburg, Koellikerstraße 6, 97070, Wuerzburg, Germany.

Saif Afat (S)

Department of Diagnostic and Interventional Radiology, University Hospital Tuebingen, Hoppe-Seyler-Str 3, 72076, Tuebingen, Germany.

Philipp Gruschwitz (P)

Department of Diagnostic and Interventional Radiology, University Hospital Wuerzburg, Oberduerrbacher Straße 6, 97080, Wuerzburg, Germany.

Lukas Görtz (L)

Institute for Diagnostic and Interventional Radiology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Kerpener Straße 62, 50937, Cologne, Germany.

Lenhard Pennig (L)

Institute for Diagnostic and Interventional Radiology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Kerpener Straße 62, 50937, Cologne, Germany.

Thorsten Alexander Bley (TA)

Department of Diagnostic and Interventional Radiology, University Hospital Wuerzburg, Oberduerrbacher Straße 6, 97080, Wuerzburg, Germany.

Nora Conrads (N)

Department of Diagnostic and Interventional Radiology, University Hospital Wuerzburg, Oberduerrbacher Straße 6, 97080, Wuerzburg, Germany. conrads_n1@ukw.de.

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Classifications MeSH

questionsmedicales.fr › Eucaryotes › Animaux › Chordés › Vertébrés › Mammifères › Eutheria › Primates › Haplorhini › Catarrhini › Hominidae › Humains › Influence of helical pitch and gantry rotation...
questionsmedicales.fr › Phénomènes physiques › Rayonnement › Rayonnement non ionisant › Lumière › Photons › Influence of helical pitch and gantry rotation...
questionsmedicales.fr › Diagnostic › Techniques et procédures diagnostiques › Imagerie diagnostique › Tomographie › Tomographie à rayons X › Tomodensitométrie › Influence of helical pitch and gantry rotation...
questionsmedicales.fr › États, signes et symptômes pathologiques › Processus pathologiques › Mort › Cadavre › Influence of helical pitch and gantry rotation...
questionsmedicales.fr › Phénomènes physiques › Déplacement › Rotation › Influence of helical pitch and gantry rotation...
questionsmedicales.fr › Environnement et santé publique › Santé publique › Hygiène radiologique › Dose de rayonnement › Influence of helical pitch and gantry rotation...
questionsmedicales.fr › Diagnostic › Techniques et procédures diagnostiques › Imagerie diagnostique › Tomographie › Tomographie à rayons X › Tomodensitométrie › Tomodensitométrie hélicoïdale › Influence of helical pitch and gantry rotation...