11 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
#Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison ... #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Honeycombing 4. ... Centrilobular emphysema ... #HRCT #CTChest ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... ; smoking history ... Honeycombing. 4. ... #HRCT #CTChest ... Cystic #Pattern #Comparison
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
associated pulmonary ... emphysema. ... #CTChest #Cavity ... #Cyst #Emphysema ... #Comparison #RadiologyAssistant
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
, honeycombing, ... we describe a chest ... #CXR #Lucency #Differential ... #Cyst #Lung #Pulmonary ... #Diagnosis #Radiology
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Centrilobular emphysema ... #CTChest #Cystic ... #Cysts #Differential ... #Comparison #Table ... #RadiologyAssistant
Honeycombing is defined by the presence of small cystic spaces with irregularly thickened walls composed of
from paraseptal emphysema ... #Diagnosis #Radiology ... #Pulmonary #Honeycombing ... #Differential # ... RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Patterns - Differential ... Silicosis • Honeycombing ... Attenuation: • Emphysema ... Antitripsyn Def • Cysts ... #radiology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
before the typical cysts ... #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... When the cysts have ... histiocytosis or honeycombing ... #Pulmonary #CXR ... #RadiologyAssistant