3: Occupational Lung Disease Flashcards
what causes coal workers pneumoconiosis
exposure to coal dust (Mines)
how may coal workers pneumoconiosis present
chronic bronchitis
define chronic bronchitis
chronic cough present on most days for 3-months over 2-consecutive years
how will coal workers pneumoconiosis present on CXR
fibrosis upper lobe
how is CWP managed
- Avoid coal dust
- Treat chronic bronchitis
- Claim money via uk industrial injuries act
what can CWP progress to
progressive massive fibrosis
what does progressive massive fibrosis cause
dyspnoea - eventually leads to cor pulmonate
what causes sillicosis
inhalation of silica particles
what is asbestosis
inhalation asbestos leading to lung fibrosis
what is latency period between exposure and symptom onset
15-20 years
what are symptoms of asbestosis
exertional dyspneoa
chronic cough
what nail sign may be seen in asbestosis
clubbing
what is auscultated in asbestosis
fine end-inspiratory crackles
where is fibrosis seen in asbestosis on CXR
lower lobes
what stain is used to identify asbestos bodies from bronchoalveolar lavage
purssian blue
what does asbestos exposure increase risk of
adenocarcinoma
mesothelioma
what is mesothelioma
tumour of mesothelial cells of the pleura
in which gender is mesothelioma more common
male
in which age is mesothelioma more common
40-70 year-olds
what cause mesothelioma
Asbestos exposure
what is the time frame between exposure and mesothelioma
35-45 years following asbestos exposure
2-years following intense asbestos exposure
what are symptoms of mesothelioma
Dyspnoea
Chest-pain
Fever, weight loss
Lethargy
what is seen on CXR is mesothelioma
pleural thickening
how is mesothelioma managed
chemotherapy
pleurodesis and drain
