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Ann. occup. Hyg., Vol. 46, No. suppl_1, pp. 118-120, 2002
© 2002 British Occupational Hygiene Society
Published by Oxford University Press

Cigarette Smoke as a Cause of Small Irregular Opacities on Chest Radiographs

A. L. Frank1,*, R. Beaty2 and J. Levin1

1 The University of Texas Health Center at Tyler 11937 US Highway 271, Tyler, TX 75708, USA
2 American Airlines, DFW Area Medical Director, PO Box 619047, MD1135, DFW Airport, TX 75261-9047, USA

*Author to whom correspondnce should be addressed. Fax: +1-903-877-5902; e-mail: arthur.frank{at}uthct.edu

Asbestos, as well as other dusts and a variety of medical conditions, can cause irregular opacities to develop in the lung parenchyma. Although not widely accepted, some have suggested that cigarette smoke can produce these changes as well. This study looked at X-rays of individuals for whom smoking status was known, as well as an occupational history which precluded known dust exposure. There was no finding that smoking status contributed to the development of irregular opacities. As previously described, smoking does appear to increase the level of profusion caused by asbestos.

asbestos • irregular opacities • lung fibrosis • smoking


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