21 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity ... Hypersensitivity ... Radiology #HRCT #CTChest ... #Comparison #Table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Hypersensitivity ... Hypersensitivity ... Radiology #Pulmonary #CTChest ... #Differential #Comparison
Ill defined centrilobular nodules of ground glass density in a patient with hypersensitivity pneumonitis #Clinical #Radiology
Ill defined centrilobular ... nodules of ground glass ... a patient with hypersensitivity ... Clinical #Radiology #CTChest ... #Hypersenstitivity
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
are: ill-defined centrilobular ... cases) or mosaic pattern ... are ill-defined centrilobular ... Clinical #Radiology #CTChest ... Nodular #Subacute #Centrilobular
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Pneumoconiosis • Centrilobular ... • Acute Ground Glass ... #CT #Patterns #
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... Centrilobular emphysema ... Notice the centrilobular ... Radiology #HRCT #CTChest ... #Comparison #Table
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Ground-glass opacity ... pattern can be ... , NSIP, DIP. - Centrilobular ... distribution: Hypersensitivity ... Radiology #Pulmonary #CTChest
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... perilymphatic, random and centrilobular ... distribution is likely centrilobular ... Pulmonary #HRCT #CTChest
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
pattern in a mosaic ... was typical for hypersensitivity ... Hypersensitivity ... presents with centrilobular ... Clinical #Radiology #CTChest
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... Centrilobular emphysema ... Radiology #HRCT #CTChest ... LowAttenuation #Cystic #Pattern ... #Comparison #Table