PNEUMOCONIOSIS Dr.Gururaj N A

Definition Types Pathogenesis Signs and symptoms Complications Diagnosis Treatment Prevention

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

Types Silicosis Anthracosis Asbestosis Byssinosis Bagassosis Farmer’s lung

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

Signs and symptoms Pulmonary symptoms Dyspnoea Cough with expectoration Chest discomfort Haemoptysis

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

Complications Lung fibrosis Lung cancer Pleurisy CHF Cor pulmonale

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

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

Silicosis

Anthracosis

Asbestosis : pl. calcification

Asbestosis : Mesothelioma

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

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

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