Low-dose dual-energy CT for stone characterization: a systematic comparison of two generations of split-filter single-source and dual-source dual-energy CT.
Kidney calculi
Multidetector computed tomography
Phantoms imaging
Urolithiasis
Journal
Abdominal radiology (New York)
ISSN: 2366-0058
Titre abrégé: Abdom Radiol (NY)
Pays: United States
ID NLM: 101674571
Informations de publication
Date de publication:
05 2021
05 2021
Historique:
received:
06
09
2020
accepted:
30
10
2020
revised:
28
10
2020
pubmed:
8
11
2020
medline:
22
6
2021
entrez:
7
11
2020
Statut:
ppublish
Résumé
To compare noise texture and accuracy to differentiate uric acid from non-uric acid urinary stones among four different single-source and dual-source DECT approaches in an ex vivo phantom study. Thirty-two urinary stones embedded in gelatin were mounted on a Styrofoam disk and placed into a water-filled phantom. The phantom was imaged using four different DECT approaches: (A) dual-source DECT (DS-DE); (B) 1st generation split-filter single-source DECT (SF1-TB); (C) 2nd generation split-filter single-source DECT (SF2-TB) and (D) 2nd generation split-filter single-source DECT using serial acquisitions (SF2-TS). Two different radiation doses (3 mGy and 6 mGy) were used. Noise texture was compared by assessing the average spatial frequency (f NNPS demonstrated comparable noise texture among A, C, and D (f Accuracy to differentiate uric acid from non-uric acid stones was high among four single-source and dual-source DECT approaches for low- and routine dose DECT scans. Noise texture differed only slightly for the first-generation split-filter approach.
Identifiants
pubmed: 33159558
doi: 10.1007/s00261-020-02852-5
pii: 10.1007/s00261-020-02852-5
doi:
Substances chimiques
Uric Acid
268B43MJ25
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
2079-2089Références
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