15 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
key findings in ... Fibrosis and parenchymal ... #Clinical #Radiology ... #CXR #CTChest # ... #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
distribution: Hypersensitivity ... pneumonitis, Respiratory ... bronchiolitis #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Signs of fibrosis ... alone, alveolar ... #Clinical #Radiology ... #CTChest #Chronic ... #Fibrosis #RadiologyAssistant
This patient presented with acute dyspnoe and a normal chest film (not shown).
The HRCT at presentation
acute dyspnoe and ... shows lobular areas ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... #Resolution #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Pneumonitis. ... centrilobular emphysema. - Alveolar ... very similar HRCT findings ... Clinical #Diagnosis #Radiology ... #CTChest #UIP #
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
, as in cystic fibrosis ... (CF) and allergic ... ABPA is a hypersensitivity ... #Clinical #Radiology ... #CXR #CTChest #
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
The radiographic findings ... chronic hypersensitivity ... pneumonitis and ... #Clinical #Radiology ... #RadiologyAssistant
On the left two different patients with similarl HRCT findings.
The left one is a smoker with
similarl HRCT findings ... the right has hypersensitivity ... pneumonits. ... #Clinical #Radiology ... #CTChest #RBILD
On the left a chest film of a patient with UIP due to IPF.
The findings on
The findings on ... fibrotic changes ... #Clinical #Radiology ... #CXR #CTChest # ... #Interstitial #Pneumonitis
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
named Hamman Rich Pneumonitis ... characterized by diffuse alveolar ... with subsequent fibrosis ... #Clinical #Radiology ... #CTChest #AIP #