3: Occupational Lung Disease

Question 1

what causes coal workers pneumoconiosis

Answer 1

exposure to coal dust (Mines)

Question 2

how may coal workers pneumoconiosis present

Answer 2

chronic bronchitis

Question 3

define chronic bronchitis

Answer 3

chronic cough present on most days for 3-months over 2-consecutive years

Question 4

how will coal workers pneumoconiosis present on CXR

Answer 4

fibrosis upper lobe

Question 5

how is CWP managed

Answer 5

• Avoid coal dust
• Treat chronic bronchitis
• Claim money via uk industrial injuries act

Question 6

what can CWP progress to

Answer 6

progressive massive fibrosis

Question 7

what does progressive massive fibrosis cause

Answer 7

dyspnoea - eventually leads to cor pulmonate

Question 8

what causes sillicosis

Answer 8

inhalation of silica particles

Question 9

what is asbestosis

Answer 9

inhalation asbestos leading to lung fibrosis

Question 10

what is latency period between exposure and symptom onset

Answer 10

15-20 years

Question 11

what are symptoms of asbestosis

Answer 11

exertional dyspneoa

chronic cough

Question 12

what nail sign may be seen in asbestosis

Answer 12

clubbing

Question 13

what is auscultated in asbestosis

Answer 13

fine end-inspiratory crackles

Question 14

where is fibrosis seen in asbestosis on CXR

Answer 14

lower lobes

Question 15

what stain is used to identify asbestos bodies from bronchoalveolar lavage

Answer 15

purssian blue

Question 16

what does asbestos exposure increase risk of

Answer 16

adenocarcinoma

mesothelioma

Question 17

what is mesothelioma

Answer 17

tumour of mesothelial cells of the pleura

Question 18

in which gender is mesothelioma more common

Answer 18

male

Question 19

in which age is mesothelioma more common

Answer 19

40-70 year-olds

Question 20

what cause mesothelioma

Answer 20

Asbestos exposure

Question 21

what is the time frame between exposure and mesothelioma

Answer 21

35-45 years following asbestos exposure

2-years following intense asbestos exposure

Question 22

what are symptoms of mesothelioma

Answer 22

Dyspnoea
Chest-pain
Fever, weight loss
Lethargy

Question 23

what is seen on CXR is mesothelioma

Answer 23

pleural thickening

Question 24

how is mesothelioma managed

Answer 24

chemotherapy

pleurodesis and drain

Question 25

what is prognosis of mesothelioma

Answer 25

2-years

Question 26

what is the most common lung injury related to asbestos

Answer 26

pleural plaques

Question 27

are pleural plaques benign or malignant

Answer 27

benign

Question 28

explain relationship between asbestos exposure and asbestosis

Answer 28

greater exposure - higher risk of asbestosis

Question 29

explain relationship between asbestos exposure and mesothelioma

Answer 29

any exposure increases risk of asbestosis

Question 30

how can mesothelioma present

Answer 30

recurrent pulmonary effusions

Bloody pleural effusion

Question 31

what bronchial carcinoma does asbestos increase risk of

Answer 31

small cell lung cancer