Interstitial Lung Disease

Question 1

What are the 4 common patterns in CT for lung disease diffuse?

Answer 1

Reticular/linear, modular, ground glass opacity, decreased attenuation

Question 2

5 causes of profuse centrilobular nodules in CT

Answer 2

Subacute hypersensitivity pneumonitis, RB ILD, diffuse panbronchiolitis, endobronchial spread of tb or pneumonia, COP

Question 3

Give hrct features of each IIP

Answer 3

IPF - reticular opacities, honeycombing, ground glass opacity with traction bronchiectasis

NSIP - ground glass, traction bronchiectasis

COP - peripheral or peribronchial consolidation, ground glass, perilobular pattern

AIP - consolidation, ground glass, trac bronch

rB ILD - centrilobular nodules, ground glass, bronchial wall thickening , limited emphysema

DIP - ground glass, features of interstitial fibrosis

LIP - ground glass, centrilobular nodules, thickens interlobar septa, thin walled cysts

Question 4

Causes of eggshell nodal calcification.

Answer 4

Sarcoidosis, silicosis, histo, lymphoma (postradio) blastomycosis, amyloidosis

Question 5

What are the intrathoracic manifestations of Rheumatoid disease?

Answer 5

Pleura effusion or thickening, interstitial fibrosis, constrictive obliterative bronchiolitis, organising pneumonia, follicular bronchiolitis, drug induced (methotrexate), necrobiotic nodules/Caplans syndrome

Question 6

What are the radiology features of SLE?

Answer 6

Pleural effusion, segmental collapse, lupus pneumonitis, infection, pulmonary oedema, diaphragm dysfunction, pericardial effusion, pulmonary vascular disease, pulmonary arterial hypertension, vasculitis, pulmonary embolism, pulmonary veno occlusive disease

Question 7

Causes of bilateral upper lobe fibrosis

Answer 7

Tb, sarcoidosis, histoplasmosis, Allergic Bronchopulmonary Aspergillosis, ankylosing spondylitis, chronic extrinsic allergic alveolitis, progressive massive fibrosis

Question 8

Table 19.8

Question 9

Table 19.9