21 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... pneumonitis: ill ... #Clinical #Radiology ... #Pattern #Comparison ... #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
pattern. 1. ... pneumonitis: ill ... #Clinical #Diagnosis ... #Differential #Comparison ... #Table #RadiologyAssistant
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Chronic hypersensitivity ... : Mosaic pattern ... and secondry nodules ... #Clinical #Radiology ... #RadiologyAssistant
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
nodules of ground-glass ... opacity (80% of cases ... ) or mosaic pattern ... #Clinical #Radiology ... Centrilobular #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT Patterns ... - Differential Diagnosis ... Low Attenuation Nodular ... Pneumonitis, Respiratory ... Histiocytosis, Lymphocytic
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... - Multiple Masses ... Atelectasis #Diagnosis ... #Clinical #Radiology ... #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... The differential diagnosis ... centrilobular nodules ... #Clinical #Radiology ... HypersenstitivityPneumonitis #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
of Hypersensitivity ... Pneumonitis. ... #Radiology #CTChest ... #UIP #Comparison ... #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... consolidation and GG pattern ... ’s, Hypersensitivity ... organizing pneumonia, Chronic ... BOOP #pulmonary #ILD
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Chronic hypersensitivity ... The case on the ... scan: the mosaic pattern ... #Clinical #Radiology ... #Fibrosis #RadiologyAssistant