16 results
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... presenting as areas ... with peripheral areas ... consolidation #Clinical ... #CTChest #HighAttenuation
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
with areas of ground-glass ... atenuation and areas ... shows a mosaic pattern ... #Clinical #Radiology ... #CXR #CTChest #
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
subpleural and basal lung ... areas. ... #Clinical #Radiology ... #CTChest #UIP # ... #Pneumonitis #ILD
Notice the honeycombing and the preference of the subpleural and basal lung areas. #Clinical #Radiology #CTChest
subpleural and basal lung ... areas. ... #Clinical #Radiology ... #CTChest #UIP # ... LowerLungPredominance #ILD
On the left a patient with ground glass pattern in a mosaic distribution.
The clue here is
with ground glass pattern ... (arrow) in the areas ... caliber due to chronic ... #Clinical #Radiology ... #CTChest #GGO #
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
with areas of ground-glass ... attenuation and areas ... mid and lower lung ... #Clinical #Radiology ... #CTChest #Chronic
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
An 86-year-old woman ... sudden-onset shortness of breath ... travels from these areas ... in subcutaneous areas ... #PhysicalExam #Clinical
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Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
areas. ... There are patchy areas ... due to chronic ... #Pulmonary #CTChest ... #Attenuation #Differential
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
shows diffuse areas ... and some mosaic pattern ... cessation of smoking #Clinical ... #Radiology #CTChest ... DesquamativeInterstitialPneumonia #ILD
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
HP (right) Differential ... Subacute stage: - RB-ILD ... throughout the whole lung ... #Clinical #Diagnosis ... #Radiology #CTChest