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Imaging of Occupational Lung Disease¹

¹ From the Departments of Diagnostic Radiology (K.I.K., C.W.K., J.G.K.) and Internal Medicine (M.K.L.), Pusan National University Hospital, Pusan National University School of Medicine, #1-10, Ami-dong, Seo-gu, Pusan 602-739, Korea; the Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea (K.S.L.); the Department of Diagnostic Radiology, Hanyang University Kuri Hospital, Kyoungki-Do, Korea (C.K.P.); and the Department of Radiology, Pusan Paik Hospital, College of Medicine, Inje University, Pusan, Korea (S.J.C.). Recipient of a Cum Laude award for an education exhibit at the 2000 RSNA scientific assembly. Received April 11, 2001; revision requested May 15 and received July 17; accepted July 17. Address correspondence to K.I.K. (e-mail: kikim@hyowon.pusan.ac.kr).

Occupational lung disease comprises a wide variety of disorders caused by the inhalation or ingestion of dust particles or noxious chemicals. These disorders include pneumoconiosis, asbestos-related pleural and parenchymal disease, chemical pneumonitis, occupational infection, hypersensitivity pneumonitis, and organic dust toxic syndrome. Most of these disorders produce diffuse lung disease. Although many of the disorders can be detected at chest radiography, high-resolution computed tomography (CT) has been shown to be superior to chest radiography in depicting parenchymal, airway, and pleural abnormalities. Some occupational lung diseases have characteristic radiologic features suggesting the correct diagnosis, whereas in others, a combination of clinical features, related occupational history, radiologic findings, and literature supporting an association between the exposure and the disease process is required for diagnosis. With advances in chest radiology, including high-resolution CT, radiologists play a key role in the clinical evaluation of occupational lung diseases and should continue their involvement in the diagnosis and treatment of these diseases.

Index Terms: Lung, CT, 60.12118 • Lung, diseases, 60.4126, 60.77 • Lung, ground-glass opacification • Pneumoconiosis, 60.772 • Pneumonitis, 60.55 • Pneumonitis, hypersensitivity, 60.55, 60.624 • Silicosis, 60.771

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