9 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Cystic LCH: - LAM ... : round cysts, evenly ... #Cystic #Cysts ... #Differential #Comparison
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Lung cysts (LAM ... #Diagnosis #Radiology ... #Diagram #Comparison ... TractionBronchiectasis #Cysts ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... (LCH): multiple ... thick walled cysts ... Honeycombing. 4. ... (LAM): regular cysts
Honeycombing is defined by the presence of small cystic spaces with irregularly thickened walls composed of
Honeycomb cysts ... Subpleural honeycomb cysts ... which subpleural cysts ... #Diagnosis #Radiology ... #Differential #
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Attenuation: • Emphysema ... Antitripsyn Def • Cysts ... Congenital, Langerhans Histiocytosis ... #radiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
them from cysts ... Langerhans cell histiocytosis ... #Radiology #CTChest ... Emphysema #Comparison ... #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
this pattern was caused ... by multiple cysts ... diagnosis in this ... #CXR #CTChest #LCH ... #Cystic #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... When the cysts have ... or honeycombing ... seen and in many cases ... #Diagnosis #Radiology
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis ... Langerhans cell histiocytosis ... 90% are smokers, cysts ... Centrilobular emphysema ... #Clinical #Radiology