Pneumoconiosis which is the interstitial lung disease resulting from the chronic
inhalation of an respirable dust is the most common occupational disease in Korea. In
preventing of disability due to pneumoconiosis, special medical program is excuted
routine interval. We have to differentiate pneumoconiosis from military tuberculosis,
metastatic cancer, sarcoidosis, hemosiderosis, lymphoma, histiocytosis-X, histoplasmosis,
viral pneumonia, and so on.
This 52-year-old male patient was admitted to the 51. Mary's Hospital due to chest
tightness for 1 year. He had experienced pulmonary tuberculosis 30 years ago and
operation due to thyroid mass 2 years ago. Chest radiographs showed multiple nodules
of r-type that were mainly distributed in the hilar regions and the middle lobes. We
could diagnose this as pulmonary metastasis of thyroid cancer with pneumoconiosis by
open lung biopsy.
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