11 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Chronic hypersensitivity ... pneumonitis are: Mosaic pattern ... shows a mosaic pattern ... #Clinical #Radiology ... #Fibrosis #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Hypersensitivity ... Hypersensitivity ... #Clinical #Diagnosis ... Comparison #Table #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... to look at the pattern ... more than one pattern ... #Diagnosis #Radiology ... Differential #Table #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Chronic hypersensitivity ... scan: the mosaic pattern ... #Clinical #Radiology ... #CTChest #Chronic ... HypersensitivityPneumonitis #Fibrosis #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
) Differential diagnosis ... of Hypersensitivity ... Subacute stage: - RB-ILD ... #Radiology #CTChest ... #RadiologyAssistant
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
- Differential Diagnosis ... Algorithm Idiopathic ... , Eczema, Drug Hypersensitivity ... insufficiency, Chronic ... IBD Stanford Internal
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
have specific patterns ... vascular diseases (e.g ... #Diagnosis #Radiology ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
or fibrosis in chronic ... hypersensitivity ... or NSIP pattern ... #Clinical #Radiology ... DrugRelated #Fibrosis #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 ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
The dominant pattern ... broad differential diagnosis ... would first think hypersensitivity ... #Clinical #Radiology ... #RadiologyAssistant