22 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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result in decreased lung ... - Emphysema - Lung ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the lung ... In these cases comparison ... during a period of CHF ... #Clinical #Radiology ... #CXR #CHF #Cephalization
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
the differential diagnosis ... irregular and often nodular ... identified in the lung ... #Radiology #Pulmonary ... #CTChest #TreeInBud
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
CT in a lobular ... PJP, CEP, HP, COP ... Attenuation #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... #Differential #Comparison
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
- Differential Diagnosis ... Low Attenuation Nodular ... Sarcoidosis, NSIP, COP ... #Differential #Diagnosis ... #pulmonary #radiology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... is interstitial lung ... #Diagnosis #Radiology ... #Pulmonary #CXR
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
extending to the lung ... bronchiectasis, CF ... Track #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... in fact this is nodular ... interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Reverse-Halo Sign) on Chest ... consolidation • DDx: COP ... Halo #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical