27 results
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 ... Pattern #Comparison #Table ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... Differential #Comparison #Table ... #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Hypersensitivity pneumonitis ... Pulmonary edema #Diagnosis ... #Radiology #Pulmonary ... #Differential #Table ... #Upper #Lower #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
specific interstitial pneumonitis ... #Clinical #Radiology ... Pattern #Comparison #Table ... #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 ... central dot. - LIP #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 ... Hypersensitivity #Pneumonitis ... HypersensitivityPneumonitis #Nodular ... Centrilobular #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
opacities - Fine Nodular ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology ... Consolidation #Patterns #RadiologyAssistant
Here another case of subacute hypersensitivity pneumonitis.
There is subtle opacity in the centre of the secondary
hypersensitivity pneumonitis ... #Clinical #Radiology ... Hypersensitivity #Pneumonitis ... HypersensitivityPneumonitis #Nodular ... Centrilobular #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... listed in the table ... #Diagnosis #Radiology ... ILD #Findings #RadiologyAssistant