Value of minimum intensity projections for chest CT in COVID-19 patients.
Adolescent
Adult
Aged
Aged, 80 and over
COVID-19
/ diagnostic imaging
Female
Humans
Internationality
Lung
/ diagnostic imaging
Male
Middle Aged
Radiographic Image Interpretation, Computer-Assisted
/ methods
Reproducibility of Results
Retrospective Studies
SARS-CoV-2
Sensitivity and Specificity
Tomography, X-Ray Computed
/ methods
Young Adult
COVID-19
Multidetector computed tomography
Pneumonia
Spiral computed
Tomography
Viral infection
Journal
European journal of radiology
ISSN: 1872-7727
Titre abrégé: Eur J Radiol
Pays: Ireland
ID NLM: 8106411
Informations de publication
Date de publication:
Feb 2021
Feb 2021
Historique:
received:
25
11
2020
accepted:
10
12
2020
pubmed:
29
12
2020
medline:
23
2
2021
entrez:
28
12
2020
Statut:
ppublish
Résumé
To investigate whether minimum intensity projection (MinIP) reconstructions enable more accurate depiction of pulmonary ground-glass opacity (GGO) compared to standard transverse sections and multiplanar reformat (MPR) series in patients with suspected coronavirus disease 2019 (COVID-19). In this multinational study, chest CT scans of 185 patients were retrospectively analyzed. Diagnostic accuracy, diagnostic confidence, image quality regarding the assessment of GGO, as well as subjective time-efficiency of MinIP and standard MPR series were analyzed based on the assessment of six radiologists. In addition, the suitability for COVID-19 evaluation, image quality regarding GGO and subjective time-efficiency in clinical routine was assessed by five clinicians. The reference standard revealed a total of 149 CT scans with pulmonary GGO. MinIP reconstructions yielded significantly higher sensitivity (99.9 % vs 95.6 %), specificity (95.8 % vs 86.1 %) and accuracy (99.1 % vs 93.8 %) for assessing of GGO compared with standard MPR series. MinIP reconstructions achieved significantly higher ratings by radiologists concerning diagnostic confidence (medians, 5.00 vs 4.00), image quality (medians, 4.00 vs 4.00), contrast between GGO and unaffected lung parenchyma (medians, 5.00 vs 4.00) as well as subjective time-efficiency (medians, 5.00 vs 4.00) compared with MPR-series (all P < .001). Clinicians preferred MinIP reconstructions for COVID-19 assessment (medians, 5.00 vs 3.00), image quality regarding GGO (medians, 5.00 vs 3.00) and subjective time-efficiency in clinical routine (medians, 5.00 vs 3.00). MinIP reconstructions improve the assessment of COVID-19 in chest CT compared to standard images and may be suitable for routine application.
Identifiants
pubmed: 33360269
pii: S0720-048X(20)30668-9
doi: 10.1016/j.ejrad.2020.109478
pmc: PMC7831963
pii:
doi:
Types de publication
Journal Article
Multicenter Study
Langues
eng
Sous-ensembles de citation
IM
Pagination
109478Informations de copyright
Copyright © 2020 Elsevier B.V. All rights reserved.
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