Pneumoconiose

1. PNEUMOCONIOSIS VINEETHA SUDHEESH

2. Definition • Types • Pathogenesis • Signs and symptoms • Complications • Diagnosis • Treatment • Prevention

3. Definition • Fibrosis and scarring of the lungs secondary to repeated inhalation of dust associated with some occupation

4. Types • Silicosis • Anthracosis • Asbestosis • Byssinosis • Bagassosis • Farmer’s lung

5. Pathogenesis Dust particles Lungs Inflammation chronic Elastic tissue Fibrous tissue Scarring of lungs

6. Signs and symptoms • Pulmonary symptoms • Dyspnoea • Cough with expectoration • Chest discomfort • Haemoptysis

7. General symptoms • Ill health • Restless sleep • Loss of appetite • Loss of weight • Nails pale and bluish

8. Complications • Lung fibrosis • Lung cancer • Pleurisy • CHF • Cor pulmonale

9. Diagnosis • History • Exposure • Years of exposure • Protective clothing used or not • Clinical examination

10. Investigations • Chest X ray • Pulmonary function test • CT scan • Bronchoscopy with lung biopsy

11. Silicosis

12. Anthracosis

13. Asbestosis : pl. calcification

14. Asbestosis : Mesothelioma

15. Treatment • Avoid further exposure • Medical treatment • Oxygen inhalation • Immunization • Antibiotics • Surgical treatment • Lung transplantation

16. Prevention • Dust control • Isolation and enclosure • Hydroblasting • Personal protection • Periodic examination • Legal measures

17. Thank you