Rapid Radiologic Progression of Silicosis

Two NIOSH (National Institute for Occupational Safety and Health) B readers, H.K. and Prof. Yukinori Kusaka, individually classified the series of chest radiographs (Figure 1) using the International Labour Office (ILO) Standard (1). On microscopic examination, there were silicotic nodules composed...

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Bibliographic Details
Published in:American journal of respiratory and critical care medicine 2017-05, Vol.195 (10), p.e39-e42
Main Authors: Tsuchiya, Kazuo, Toyoshima, Mikio, Akiyama, Norimichi, Kono, Masato, Nakamura, Yutaro, Funai, Kazuhito, Baba, Satoshi, Sugimura, Haruhiko, Kanayama, Hitomi, Suda, Takafumi
Format: Article
Language:English
Subjects:
Aged
Biopsy
Collagen
Colleges & universities
Disease Progression
Humans
Male
Medicine
Microscopy, Polarization
Pathology
Radiography, Thoracic
Silicosis - diagnostic imaging
Silicosis - pathology
Tomography, X-Ray Computed
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Summary:Two NIOSH (National Institute for Occupational Safety and Health) B readers, H.K. and Prof. Yukinori Kusaka, individually classified the series of chest radiographs (Figure 1) using the International Labour Office (ILO) Standard (1). On microscopic examination, there were silicotic nodules composed of dense whorled collagen and interstitial and peribronchiolar regions with accumulation ofmacrophages containing mixtures of dust particles and an increase in collagen (Figure 4). Microbiologic examinations of the lung tissue yielded normal results. Because of the diagnosis of silicosis, he quit his job on piping work. Am J Respir Crit Care Med Vol 195, Iss 10, pp e39-e42, May 15, 2017 Copyright © 2017 by the American Thoracic Society Originally Published in Press as DOI: 10.1164/rccm.201606-1194IM on March 24, 2017 Internet address: www.atsjournals.org References 1. Kazuo Tsuchiya1, Mikio Toyoshima1, Norimichi Akiyama2, Masato Kono2, Yutaro Nakamura2, Kazuhito Funai3, Satoshi Baba4, Haruhiko Sugimura5, Hitomi Kanayama6, and Takafumi Suda2 1Department of Respiratory...
ISSN:1073-449X
1535-4970
DOI:10.1164/rccm.201606-1194IM