Saturday, May 23, 2009

Occupational Lung diseases




Upper RT irritation

-Irritant gases


Mucosal irritation

Airway disorders

-Occupational asthma


-Emphysema (coal)

-Ch. Bronchitis (mineral & grain dust)

-Mast cell mediators

-Endotoxins & complement activation

-Neutrophil enzymes

-Mucosal irritation

Acute inhalational injury

-Toxic pneumonitis

(gases & metals)

-Metal fume fever

(Zn, Cu oxides)

-Polymer fume fever (plastic)

-Smoke inhalation (combustion)

Mucosal irritation

(by diffusion)

Hypersensitivity pneumonitis



-Animal proteins

Type 3 and 4 hypersensitivity reactions

Infectious disorders










-Cobalt exposure

MQ damage & type 4 hypersensitivity reaction (in diffuse types)



(asbestos, radon)

-Sino-nasal cancer

(wood dust)

DNA damage

*For Full Text --> Download from: Occupational Lung Diseases.doc

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