23 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
are: Mosaic pattern ... atenuation and areas ... shows a mosaic pattern ... Radiology #CXR #CTChest ... #Fibrosis #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... #Differential # ... Emphysema #SignetRing #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Diagnosis #Radiology #Pulmonary ... #CTChest #Nodular ... #Differential # ... Comparison #Table #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... is interstitial lung ... Diagnosis #Radiology #Pulmonary ... RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Chronic hypersensitivity ... mid and lower lung ... included in the differential ... Clinical #Radiology #CTChest ... #Fibrosis #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
or interstitial lung ... in ground glass pattern ... #CTChest #GGO # ... #GroundGlass #Differential ... #RadiologyAssistant
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
like idiopathic pulmonary ... or fibrosis in chronic ... consider drug-related lung ... disease in the differential ... Clinical #Radiology #CTChest
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Hypersensitivity Pneumonitis ... Acute Eos PNA • Chronic ... Pneumonia, COP, Chronic ... #CT #Patterns #
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... have specific patterns ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic ... ILD #Findings #RadiologyAssistant
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
most typical of pulmonary ... it is seen in pneumonias ... frequently seen in chronic ... #CXR #Batwing #Differential ... #RadiologyAssistant