42 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Fibrosis and parenchymal ... The HRCT shows a ... existing irreversible fibrosis ... #Clinical #Radiology ... #CXR #CTChest #
Diagnostic algorithm for idiopathic pulmonary fibrosis, in part adapted from the ATS/ERS consensus statement. HRCT =
Diagnostic algorithm ... idiopathic pulmonary fibrosis ... HRCT = high-resolution ... usual interstitial pneumonitis ... UIP #Algorithm #Diagnosis
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
specific interstitial pneumonitis ... result of massive fibrosis ... #Clinical #Radiology ... #HRCT #CTChest
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... #Clinical #Radiology ... #HRCT #CTChest
On the left we see a chest film with a typical finger-in-glove shadow.
The HRCT shows focal
left we see a chest ... The HRCT shows focal ... #Clinical #Radiology ... #CXR #CTChest #
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... Hypersensitivity pneumonitis ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #CTChest #GGO #
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... on HRCT Most of ... disease comes from HRCT ... On HRCT there are ... #Diagnosis #Radiology
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
HRCT findings in ... bronchiectasis due to fibrosis ... lymphadenopathy #Clinical #Radiology ... #CTChest #UIP # ... #Interstitial #Pneumonitis
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Hypersensitivity pneumonitis ... Pulmonary edema #Diagnosis ... #Radiology #Pulmonary ... #HRCT #ChestCT
This patient presented with acute dyspnoe and a normal chest film (not shown).
The HRCT at presentation
The HRCT at presentation ... A control HRCT ten ... hypersensitivity pneumonitis ... #Clinical #Radiology ... #CTChest #Hypersensitivity