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Canadian Respiratory Journal
Volume 2016, Article ID 1409281, 3 pages
Clinico-Pathologic Conferences

IgG4 Related Lung Disease

Monash Imaging, Monash Health, 246 Clayton Road, Clayton, VIC 3168, Australia

Received 11 June 2015; Accepted 17 November 2015

Copyright © 2016 Mihir Patel et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


IgG4 related disease is a poorly understood immune mediated condition. Lung involvement is rare and difficult to diagnose and can mimic primary lung malignancy on imaging. A patient who was found to have an incidental lung lesion with risk factors for primary pulmonary malignancy is reported.