11 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity ... Hypersensitivity ... #Clinical #Radiology ... Pattern #Comparison #Table ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity ... Hypersensitivity ... Clinical #Diagnosis #Radiology ... Differential #Comparison #Table ... #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
histiocytosis - Hypersensitivity ... edema #Diagnosis #Radiology ... #Differential #Table ... #Upper #Lower #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... #Clinical #Radiology ... HRCT #CTChest #Nodular ... Pattern #Comparison #Table ... #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... Clinical #Diagnosis #Radiology ... Differential #Comparison #Table ... #RadiologyAssistant
Sometimes the centrilobular opacities are more nodular in appearance as in this case. #Clinical #Radiology #CTChest
opacities are more nodular ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... HypersensitivityPneumonitis #Nodular ... Centrilobular #RadiologyAssistant
Here another case of subacute hypersensitivity pneumonitis.
There is subtle opacity in the centre of the secondary
case of subacute hypersensitivity ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... HypersensitivityPneumonitis #Nodular ... Centrilobular #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
patterns: reticular, nodular ... low attenuation (table ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
Subacute hypersensitivity ... in the subacute hypersensitivity ... #Clinical #Radiology ... HypersensitivityPneumonitis #Nodular ... Centrilobular #RadiologyAssistant
This patient presented with acute dyspnoe and a normal chest film (not shown).
The HRCT at presentation
presentation (left) shows lobular ... thought to be due to hypersensitivity ... #Clinical #Radiology ... #CTChest #Hypersensitivity ... HypersensitivityPneumonitis #Resolution #RadiologyAssistant