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Here are the most common examples of these four patterns on a chest x-ray (click image
on a chest x-ray ... Consolidation - Lobar ... consolidation - Diffuse ... mass - Solitary Pulmonary ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
about imaging findings ... low attenuation (table ... findings. ... Diagnosis #Radiology #Pulmonary ... #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
) or interstitial ... in ground glass pattern ... bronchiolitis, PCP ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... content of the alveoli ... to look at the pattern ... Diagnosis #Radiology #Pulmonary ... #RadiologyAssistant
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
Pulmonary Tuberculosis ... Consolidation - Lobar ... Innumerable, bilateral, diffusely ... Devpriyo Pal @drdevrad ... chest #xray #clinical
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... substances resulting in lobar ... , diffuse or multifocal ... opacities. 2- Interstitial ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... have specific patterns ... realise, that these patterns ... Diagnosis #Radiology #Pulmonary ... #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
findings. ... Lobar pneumonia ... filling of the alveoli ... this is nodular interstitial ... Consolidation #Causes #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... a predominant finding ... differential diagnosis (Table ... or lymphoma and alveolar ... #Differential #RadiologyAssistant
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
edema: incidental finding ... peribronchovascular interstitium ... Alveolar proteinosis ... #Comparison #Table ... #RadiologyAssistant