16 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Mosaic pattern with areas ... atenuation and areas ... Fibrosis and parenchymal ... Radiology #CXR #CTChest ... #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
HRCT as seen in fibrosis ... predominance: UIP ... Hypersensitivity pneumonitis ... Radiology #Pulmonary #CTChest ... #Differential #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
adenopathy and pleural ... effusion; sometimes ... low attenuation areas ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
HRCT findings in UIP ... bronchiectasis due to fibrosis ... Clinical #Radiology #CTChest ... #Interstitial #Pneumonitis ... #ILD #RadiologyAssistant
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
and basal lung areas ... Clinical #Radiology #CTChest ... #UIP #UsualInterstitialPneumonitis ... #Interstitial #Pneumonitis ... #ILD #RadiologyAssistant
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
and basal lung areas ... Clinical #Radiology #CTChest ... #UIP #UsualInterstitialPneumonitis ... #Interstitial #Pneumonitis ... LowerLungPredominance #ILD #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Hypersensitivity Pneumonitis ... In chronic HP fibrotic ... Diagnosis #Radiology #CTChest ... HypersensitivityPneumonitis #Fibrosis ... #Mimic #ILD #RadiologyAssistant
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
radiographic findings are areas ... hypersensitivity pneumonitis ... patients with a UIP ... Clinical #Radiology #CTChest ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... combinations of fibrosis ... findings of NSIP, UIP ... Radiology #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
skin (esp. over areas ... Inflammation of pleural ... membranes irritates pleural ... pain, pleural effusion ... disease/pulmonary fibrosis