10 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
and intralobular reticular ... #Clinical #Radiology ... #CXR #CTChest # ... #HypersensitivityPneumonitis ... #RadiologyAssistant
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
cases) or mosaic pattern ... opacity due to lung ... #Clinical #Radiology ... #Pneumonitis #HypersensitivityPneumonitis ... #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Diagnosis Framework Reticular ... Pneumoconiosis • Centrilobular ... Hypersensitivity Pneumonitis ... #radiology
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
spaces with pus, edema ... or interstitial lung ... in ground glass pattern ... bronchiolitis #Diagnosis #Radiology ... #Pulmonary #CTChest
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Hypersensitivity Pneumonitis ... associated with centrilobular ... throughout the whole lung ... Clinical #Diagnosis #Radiology ... #CTChest #UIP #
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
of pulmonary fibrosis ... On a chest X-ray ... attributed to chronic ... #Clinical #Radiology ... #Honeycombing #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
mid and lower lung ... #Clinical #Radiology ... #CTChest #Chronic ... #HypersensitivityPneumonitis ... #Fibrosis #RadiologyAssistant
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
inhalation - Centrilobular ... aspergillosis - Chronic ... edema in acute ... edema • Metabolic ... #STARCHASERS #radiology
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... edema (Kerley B ... #Diagnosis #Radiology ... #CTChest #Reticular ... #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 ... #Clinical #Radiology ... #CTChest #DrugInduced