Abstract:
:The purpose of the study was to evaluate the CT abnormalities of airways and lung parenchyma in asthmatic patients and to assess inter- and intraobserver variability for these abnormalities. The CT scans of 50 asthmatic patients and 10 healthy volunteers were assessed independently by four independent chest radiologists who were masked with respect to the clinical information. Bronchiectasis involving mostly subsegmental and distal bronchi was noted in 28.5% of the asthmatic subjects and none of the non-asthmatics. Bronchial wall thickening, small centrilobular opacities and decreased lung attenuation were observed in 82%, 21% and 31% of asthmatic patients respectively, compared with 7%, 5% and 7% of healthy subjects. The intra- and inter-observer agreements for these four CT abnormalities were measured by the kappa statistic and ranged from 0.60 to 0.79 and from 0.40 to 0.64, respectively. It is concluded that asthmatic patients may exhibit bronchial wall thickening, bronchiectasis and morphological abnormalities suggestive of distal airways disease that can be assessed on CT scans with a clinically acceptable observer variability.
journal_name
Eur Radioljournal_title
European radiologyauthors
Grenier P,Mourey-Gerosa I,Benali K,Brauner MW,Leung AN,Lenoir S,Cordeau MP,Mazoyer Bdoi
10.1007/BF00181147subject
Has Abstractpub_date
1996-01-01 00:00:00pages
199-206issue
2eissn
0938-7994issn
1432-1084journal_volume
6pub_type
杂志文章abstract:OBJECTIVE:To investigate the feasibility and clinical efficacy of ultrasound (US)-guided diffused optical tomography (DOT) in differentiating malignant breast lesions from benign lesions. MATERIAL AND METHODS:From October 2007 to August 2008, 198 women with 214 lesions scheduled for open biopsy were included in this s...
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pub_type: 杂志文章,随机对照试验
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更新日期:2015-05-01 00:00:00
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pub_type: 杂志文章
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更新日期:1996-01-01 00:00:00
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