Pneumoconioses

Question 1

Eggshell calcification is pathognomonic for which condition?

Answer 1

Silicosis

Question 2

Silicosis has a predominace for which lobe?

Answer 2

upper

Question 3

Complicated silicosis increases the susceptibility to which infectious condition?

Answer 3

TB

Question 4

Inhalation of coal dust not containing silica is consistent with which condition?

Answer 4

Coal worker’s pneumoconiosis

Question 5

What are the two forms of coal worker’s pnumoconiosis?

Answer 5

1) Coal Macule = Simple CWP
- single focal accumulation (1-5mm)
- apical distribution

2) Progressive Massive Fibrosis = Complicated CWP
- conglomerate (2-3cm)
- central calcification 10%

Question 6

Which type of asbestos fiber is thin and straight and penetrates deeply?

Answer 6

Amphiboles

Question 7

Which type of asbestos fiber is curly, flexible and smooth?

Answer 7

Serpentines

Question 8

Asbestosis has a predilection for which pulmonary location?

Answer 8

lower lobes

Question 9

What is the M/C pulmonary finding associated with asbestosis?

Answer 9

Pleural disease (eg. pleural plaques/localized pleural thickening, pleural effusion, diffuse pleural thickening)

Question 10

What is the frozen mediastinum sign and which condition is it associated with?

Answer 10

No mediastinal shift despite presence of large effusion.

Associated with mesothelioma.

Question 11

Other than mesothelioma, asbestos exposure increases the risk for which other condition and by how much?

Answer 11

Bronchogenic carcinoma 4x

Question 12

Which pneumoconicoses condition is associated with drug abusers and how does it present?

Answer 12

Talcosis and presents similar to a milder form of asbestosis or complicated silicosis.

Question 13

What is shaver’s disease and what is it caused by?

Answer 13

Bauxite fibrosis –> aluminum inhalation during smelting, welding, grinding/polishing

Question 14

Which pneumoconiosis can result from a single intense exposure?

Answer 14

berylliosis – occurs in ceramics, nuclear weapon & fluorescent lamp

Question 15

Which pneumoconiosis does not result in fibrosis as it is not fibrogenic?

Answer 15

siderosis (iron oxide) – found in welders

- striking imaging features (b/c its iron)

Question 16

Administering oxygen to a preeme baby with an immature lung increases the risk of developing what condition?

Answer 16

bronchopulmonary dysplasia

Question 17

“Crack lung” results from intake of what substance and what are its radiographic features?

Answer 17

Cocaine

• airspace disease (pulmonary edema) and atelectasis
• may present with pneumothorax & pneumomediastinum

Question 18

What is the M/C aspirated foreign body in child?

Answer 18

nuts

Question 19

What is Mendelson syndrome?

Answer 19

Massive aspiration of gastric contents around time of childbirth.

Question 20

Who is more susceptible to aspiration of gastric or oropharyngeal secretions?

Answer 20

Pregnant women or people on anesthesia, sedation, other other altered periods of consciousness.

Question 21

Drowning can radiographically resemble which condition?

Answer 21

pulmonary edema