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Japanese Journal of Radiology
Published in: Japanese Journal of Radiology 3/2019

01-03-2019 | Tuberculosis | Original Article

Pleuroparenchymal fibroelastosis-like lesions on chest computed tomography in routine clinical practice

Authors: Hiromitsu Sumikawa, Takeshi Johkoh, Tae Iwasawa, Katsuyuki Nakanishi, Noriyuki Tomiyama

Published in: Japanese Journal of Radiology | Issue 3/2019

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Abstract

Purpose

To evaluate the incidence and changes in the pleuroparenchymal fibroelastosis (PPFE)-like lesions on chest CT in routine clinical practice.

Materials and methods

This study included 1284 patients who underwent chest CT in 2011 at a hospital. The incidence of PPFE-like lesions and their correlation with age, body mass index, and concomitant pulmonary findings were assessed. Moreover, predictors of lesion progression were evaluated on follow-up. The ethical review board waived the requirement of informed consent for the retrospective review of patient records.

Results

In total, 397 (30.9%) of the 1284 patients presented with PPFE-like lesions. The presence of PPFE-like lesions was correlated with older age (mean 72.2 vs. 69.9 years, p = 0.002); lower BMI (mean 21.0 vs. 23.2, p < 0.001); and interstitial pneumonia (64.8%, p < 0.001), emphysema (40.4%, p < 0.001), chronic airway disease (64.8%, p < 0.001), and old tuberculosis (56.5%, p < 0.001). Multivariate analysis of the follow-up CT findings revealed that interstitial pneumonia, nodular opacity, and lesion thickness affected progression (odds ratio: 3.81, 3.78 and 1.21), respectively.

Conclusion

Pleuroparenchymal fibroelastosis-like lesions were not rare and correlated with interstitial pneumonia, emphysema, chronic airway disease, and old tuberculosis. On follow-up, PPFE-like lesions in some patients with concomitant interstitial pneumonia exhibited progression.
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Metadata
Title
Pleuroparenchymal fibroelastosis-like lesions on chest computed tomography in routine clinical practice
Authors
Hiromitsu Sumikawa
Takeshi Johkoh
Tae Iwasawa
Katsuyuki Nakanishi
Noriyuki Tomiyama
Publication date
01-03-2019
Publisher
Springer Japan
Published in
Japanese Journal of Radiology / Issue 3/2019
Print ISSN: 1867-1071
Electronic ISSN: 1867-108X
DOI
https://doi.org/10.1007/s11604-018-0805-5

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