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A comparison of digital tomosynthesis and chest radiography in evaluating airway lesions using computed tomography as a reference

Authors
Choo, Ji YungLee, Ki YeolYu, AmiKim, Je-HyeongLee, Seung HeonChoi, Jung WonKang, Eun-YoungOh, Yu Whan
Issue Date
Sep-2016
Publisher
SPRINGER
Keywords
Digital tomosynthesis; Airway disease; Chest radiography; Computed tomography; Radiation dose
Citation
EUROPEAN RADIOLOGY, v.26, no.9, pp 3147 - 3154
Pages
8
Indexed
SCI
SCIE
SCOPUS
Journal Title
EUROPEAN RADIOLOGY
Volume
26
Number
9
Start Page
3147
End Page
3154
URI
https://scholarworks.korea.ac.kr/kumedicine/handle/2020.sw.kumedicine/6159
DOI
10.1007/s00330-015-4127-z
ISSN
0938-7994
1432-1084
Abstract
To compare the diagnostic performance of digital tomosynthesis (DTS) and chest radiography for detecting airway abnormalities, using computed tomography (CT) as a reference. We evaluated 161 data sets from 149 patients (91 with and 70 without airway abnormalities) who had undergone radiography, DTS, and CT to detect airway problems. Radiographs and DTS were evaluated to localize and score the severity of the airway abnormalities, and to score the image quality using CT as a reference. Receiver operating characteristics (ROC), McNemar's test, weighted kappa, and the paired t-test were used for statistical analysis. The sensitivity of DTS was higher (reader 1, 93.51 %; reader 2, 94.29 %) than chest radiography (68.83 %; 71.43 %) in detecting airway lesions. The diagnostic accuracy of DTS (90.91 %; 94.70 %) was also significantly better than that of radiography (78.03 %; 82.58 %, all p < 0.05). DTS image quality was significantly better than chest radiography (1.83, 2.74; p < 0.05) in the results of both readers. The inter-observer agreement with respect to DTS findings was moderate and superior when compared to radiography findings. DTS is a more accurate and sensitive modality than radiography for detecting airway lesions that are easily obscured by soft tissue structures in the mediastinum. aEuro cent Digital tomosynthesis offers new diagnostic options for airway lesions. aEuro cent Digital tomosynthesis is more sensitive and accurate than radiography for airway lesions. aEuro cent Digital tomosynthesis shows better image quality than radiography. aEuro cent Assessment of lesion severity, via tomosynthesis is comparable to computed tomography.
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2. Clinical Science > Department of Pulmonary, Allergy, and Critical Care Medicine > 1. Journal Articles
2. Clinical Science > Department of Radiology > 1. Journal Articles

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Kim, Je Hyeong
Ansan Hospital (Department of Pulmonary, Allergy, and Critical Care Medicine, Ansan Hospital)
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