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Study of Silicosis in the Industrial Disease Hospital (ESI Hospital) Madras.

NIOSH 1990 Nov:1535-1536
Four cases of silicosis occurring among workers in the Madras Stone Industry were examined. The cases had been working in the industry for a period of 10 to 20 years. Of the four cases of silicosis and ten cases of tuberculosis identified at this factory, over 85% of the subjects were between 40 and 49 years of age. X-ray mottling was noted in 85.7% of the cases, while sputum AFB was positive in 71% of the cases. The first case involved a 38 year old man working in a factory as a mixer of sand and stones into fine powder. The second case involved a 36 year old man working as a grinder operator in the same company. The third case involved a 30 year old man at the same company whose job was to press sand stones into molds. The fourth patient was a 36 year old man working at the same factory for 12 years. The pathogenesis, pathology, clinical features, physiology, complications, prognosis, and treatment were defined for both simple silicosis and silicon tuberculosis.
Mineral-dusts; Dust-exposure; Dust-inhalation; Respiratory-system-disorders; Abrasive-grinding; Grinding-mills; Stone-grinders; Occupational-exposure; Case-studies;
Publication Date
Document Type
Conference/Symposia Proceedings;
Fiscal Year
NTIS Accession No.
NTIS Price
Identifying No.
DHHS (NIOSH) Publication No. 90-108
Priority Area
Infectious Diseases; Disease and Injury; Asthma and Chronic Obstructive Pulmonary Disease; Respiratory-system-disorders;
Source Name
Proceedings of the VIIth International Pneumoconioses Conference