11 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
about imaging findings ... there are four patterns ... low attenuation (table ... common pattern ... #Differential #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... at the pattern ... more than one pattern ... Radiology #Pulmonary #CXR ... #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 ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
is an important finding ... produces only mild ... Diagnosis #Radiology #CXR ... #Patterns #Comparison ... #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia (COP ... - Imaging: • CXR ... consolidation and GG pattern ... Anti-dsDNA, ANCA COP ... #ILD #diagnosis
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... Atelectasis - collapse ... Diagnosis #Radiology #CXR ... Consolidation #Patterns ... #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
The lab-findings ... organizing pneumonia (OP ... also known as BOOP ... Clinical #Radiology #CXR ... #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 ... there additional findings ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
The dominant findig ... is a reticular patern ... recognized that this pattern ... Clinical #Radiology #CXR ... Histiocytosis #Cystic #RadiologyAssistant
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
smoker with RB-ILD ... The dominant pattern ... Additional findings ... PCP would be on top ... #RadiologyAssistant