19 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Langerhans cell histiocytosis ... Bronchiectasis - Honeycombing ... #Diagnosis #Radiology ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell histiocytosis ... (LCH): multiple ... Honeycombing. 4. ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Langerhans cell histiocytosis ... Cystic LCH: - LAM ... #Radiology #CTChest ... #Table #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... or honeycombing ... seen and in many cases ... #Diagnosis #Radiology ... #RadiologyAssistant
On the left another case of Langerhans' cell histiocytosis.
It started as small noduli, which progressed over
the left another case ... bizarre shaped cysts ... #Clinical #Radiology ... #CTChest #LCH # ... #Cystic #RadiologyAssistant
On the left a case with multiple round and bizarre shaped cysts.
There was an upper lobe
On the left a case ... bizarre shaped cysts ... Langerhans cell histiocytosis ... #Clinical #Radiology ... #LCH #RadiologyAssistant
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
CT Patterns - Differential ... Diagnosis Framework ... Silicosis • Honeycombing ... Congenital, Langerhans Histiocytosis ... #radiology
Honeycombing is defined by the presence of small cystic spaces with irregularly thickened walls composed of
Honeycombing is ... regardless of their cause ... #Diagnosis #Radiology ... #Differential # ... RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... diagnosis there ... Langerhans cell histiocytosis ... #Radiology #CTChest ... Emphysema #Comparison #RadiologyAssistant
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
Langerhans cell histiocytosis ... (LCH). ... In many of such cases ... #Clinical #Radiology ... #RadiologyAssistant