12 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity ... pneumonitis: ill ... #Clinical #Radiology ... #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
pneumonitis: ill ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #Differential # ... Comparison #Table
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... pneumonitis - Sarcoidosis ... edema #Diagnosis ... #Radiology #Pulmonary ... #Table #Distribution
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
- Differential ... Low Attenuation Nodular ... Pneumonitis, Respiratory ... Diagnosis #pulmonary ... #radiology
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
in ground glass pattern ... pneumonitis, Respiratory ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... The differential ... diagnosis is hypersensitivity ... #Clinical #Radiology ... HypersenstitivityPneumonitis #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Signs of fibrosis ... included in the differential ... diagnosis. ... #Clinical #Radiology ... #Fibrosis #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... diagnosis of Hypersensitivity ... Pneumonitis. ... #Clinical #Diagnosis ... #Mimic #ILD #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... combinations of fibrosis ... listed in the table ... #Diagnosis #Radiology ... #Pulmonary #CTChest
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
like idiopathic pulmonary ... chronic hypersensitivity ... disease in the differential ... #Clinical #Radiology ... #RadiologyAssistant