The Journal of the Japan Society for Respiratory Endoscopy
Online ISSN : 2186-0149
Print ISSN : 0287-2137
ISSN-L : 0287-2137
Case Reports
A Case of Welder's Lung with Progressive Multiple Nodules Complicating Rheumatoid Arthritis
Yojiro ArimoriKunihiro SuzukiYujiro JingushiSatoshi AnaiKayo IjichiMakiko HiguchiEriko FujiokaAtsushi Moriwaki
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2019 Volume 41 Issue 5 Pages 451-456

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Abstract

Background. Typical chest computed tomography (CT) findings in welder's lung are faint centrilobular opacities, and large nodules or mass lesions are rare. Case. A 50-year-old man who had worked as a welder since 20 years of age complained of finger joint pain and was diagnosed with rheumatoid arthritis (RA). Chest CT showed multiple irregularly shaped nodules and masses. The histological findings of a transbronchial lung biopsy (TBLB) were typical of welder's lung, but the CT findings were not typical, and the multiple nodules grew in size over time. A re-biopsy using endobronchial ultrasonography with a guide sheath (EBUS-GS) revealed the same histological findings as at the previous examination. Conclusion. We encountered a rare case of welder's lung with RA. There was no obvious association between welder's lung and RA.

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© 2019 The Japan Society for Respiratory Endoscopy
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