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KMID : 0383820150780040445
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Tuberculosis and Respiratory Diseases
2015 Volume.78 No. 4 p.445 ~ p.449
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Pulmonary Foreign Body Granulomatosis in Dental Technician
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Chung Sung-Jun
Koo Gun-Woo
Park Dong-Won
Kwak Hyun-Jung
Yhi Ji-Young
Moon Ji-Yong
Kim Sang-Heon
Sohn Jang-Won
Yoon Ho-Joo
Shin Dong-Ho
Park Sung-Soo
Pyo Ju-Yeon
Oh Young-Ha
Kim Tae-Hyung
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Abstract
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Occupational lung diseases are caused by several toxic substances including heavy metals; however, the exact pathologic mechanisms remain unknown. In the workplace, dental technicians are often exposed to heavy metals such as cobalt, nickel, or beryllium and occasionally develop occupational lung diseases. We described a case of occupational lung disease in a patient who was employed as a dental technician for over a decade. A 31-year-old, non-smoking woman presented with productive cough and shortness of breath of several weeks duration. Chest computed tomography revealed a large number of scattered, bilateral small pulmonary nodules throughout the lung field, and multiple mediastinal lymph nodes enlargement. Percutaneous needle biopsy showed multifocal small granulomas with foreign body type giant cells suggestive of heavy metals inhalation. The patient’s condition improved on simple avoidance strategy for several months. This case highlighted the importance of proper workplace safety.
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KEYWORD
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Lung Disease, Dental Technicians
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