Anthracosis of the Lung: Evaluation of Potential Causes
作者： P Saeidi , M Mirsadraei
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摘要: Anthracosis is black pigment discoloration of bronchi which can cause bronchial destruction and deformity (anthracofibrosis). A prospective, case-control study was performed to evaluate potential underlying causes anthracosis on 190 subjects who referred for various indications. Age patients ranged from 10-85 yrs. 46% male were farmers 27% manual workers, whereas 91% female housewives. During bronchoscopy, special attention given anthracotic plaque, deformity, infiltration, or vegetation. Broncho-alveolar lavage further cytopathological, acid-fast bacilli staining (AFB) culture in all cases. No correlation between occupational exposure dust two kinds (anthracotic plaque antracofibrosis) present. In anthracofibrotic patients, 81% nonsmokers. The principal finding bronchoscopy simple 21% anthracofibrosis 12%. Sputum smear showed macrophages containing granules 71%. Patients with had positive histopathology tuberculosis (21%) that not significantly different without anthracosis. Of 40 22 anthracofibrosis, only one respectively proven have bronchogenic carcinoma statistically more common than the control group. Other etiology should be investigated. Iran J Med Sci 2005; 30(4): 190-193.
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