9 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... there are four patterns ... low attenuation (table ... pattern can be ... #Pattern #Differential
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... consolidation - Multifocal ill-defined ... - Reticular interstitial ... Atelectasis #Diagnosis #Clinical ... Consolidation #Patterns
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 ... vascular diseases (e.g ... IdiopathicInterstitialPneumonia #ILD
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... #Clinical #Diagnosis ... CTChest #Nodular #Pattern ... NodularPattern #Differential ... #Comparison #Table
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... of reticular opacities ... has a limited differential ... diagnosis (Table ... SeptalThickening #Differential
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... peribronchovascular interstitium ... #Clinical #Radiology ... #Pattern #Comparison ... #Table #RadiologyAssistant
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
artifact); (G) UIP pattern ... subpleural, basal reticular ... #Clinical #Diagnosis ... #Correlation #Table ... #ILD #Findings
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
film of a 19 year old ... chest film is a reticular ... patern and that's ... recognized that this pattern ... #Clinical #Radiology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... Aldolase levels • EMG ... Anti-MDA5 (RP-ILD ... slow onset and pattern ... #rheumatology #differential