11 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 ... seen and in many cases ... #Differential #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... Interstitial - Reticular ... Atelectasis #Diagnosis ... Consolidation #Patterns ... #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
is a histologic pattern ... pattern particularly ... to confirm the diagnosis ... pattern at the ... This pattern was
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
The table summarizes ... to look at the pattern ... more than one pattern ... lobar pneumonia caused ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... have specific patterns ... realise, that these patterns ... #Diagnosis #Radiology
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
patern and that's ... recognized that this pattern ... was caused by multiple ... challenging differential diagnosis ... Histiocytosis #Cystic #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... : reticular nodular ... bronchiectasis) #Diagnosis ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... limited differential diagnosis ... (Table). ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
In the images on your left you can appreciate again the spectrum of findings seen in
tissue disease, all cases ... GGO with a fine reticular ... pattern. ... excluding UIP as diagnosis ... NonspecificInterstitialPneumonia #ILD #RadiologyAssistant
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... and bullous or vesicular ... - (C-ANCA) pattern ... - (P-ANCA) pattern ... #rheumatology #classification