17 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Lung cysts (LAM, LIP ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
HP (right) Differential ... centrilobular emphysema ... In chronic HP fibrotic ... #CTChest #UIP # ... Comparison #Chronic
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... Centrilobular emphysema ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Comparison #Table
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Chronic eosinophilic ... end-stage with massive fibrosis ... consolidation #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Pneumonia, COP, Chronic ... Attenuation: • Emphysema ... #CT #Patterns # ... #pulmonary #radiology
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
Tuberculosis - Patterns ... consolidation - Fibrosis ... Loculated effusion or empyema ... Air-fluid level in hydro-pneumothorax ... #radiology #CXR
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
in ground glass pattern ... predominance: UIP ... bronchiolitis #Diagnosis #Radiology ... #Pulmonary #CTChest ... #GroundGlass #Differential
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
can heal and end up ... with end-stage fibrosis ... Clinical #Diagnosis #Radiology ... #CTChest #Cavity ... #Comparison #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
fibrosis. ... On a chest X-ray ... UIP manifests as ... attributed to chronic ... #Clinical #Radiology
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
is a reticular patern ... recognized that this pattern ... most challenging differential ... the central dot sign ... #Clinical #Radiology