12 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
attenuation or ... - Lung cysts (LAM ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation ... (LAM): uniform cysts ... Centrilobular emphysema ... #Clinical #Radiology ... Cystic #Pattern #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation ... Centrilobular emphysema ... : low attenuation ... #Clinical #Radiology ... Cystic #Pattern #Comparison
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... : • Emphysema: ... Antitripsyn Def • Cysts ... HighRes #Chest #CT ... #radiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the surrounding lung ... associated pulmonary ... emphysema. ... #Clinical #Diagnosis ... Emphysema #Comparison
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
Mosaic Attenuation ... on Chest CT • ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Water Lily Sign (Camalote Sign) on Chest CT
 • Hydatid cyst in the lung with a
Sign) on Chest CT ... • Hydatid cyst ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
the secondary pulmonary ... abnormally low attenuation ... Pulmonary vessels ... in the affected lung ... #Clinical #Radiology
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
Sign on Chest CT ... normal and high attenuation ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Split Pleura Sign on Chest CT
 • Contrast enhancement of the parietal and visceral pleura, separated
Sign on Chest CT ... effusion • DDx: Empyema ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical