8 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Cystic LCH: - LAM ... : round cysts, evenly ... #CTChest #Cystic ... #Cysts #Differential ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... (LCH): multiple ... thick walled cysts ... (LAM): regular cysts ... #Table #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... Honeycombing 4. ... #HRCT #CTChest ... #Table #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Lung cysts (LAM ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... TractionBronchiectasis #Cysts ... #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
them from cysts ... Cysts occur without ... #CTChest #Cavity ... #Cyst #Emphysema ... #Comparison #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
caused by multiple cysts ... #Clinical #Radiology ... #CXR #CTChest # ... LCH #LangerhansCellHistiocytosis ... #Cystic #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... When the cysts have ... or honeycombing ... #Diagnosis #Radiology ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Langerhans cell histiocytosis ... before the typical cysts ... #Pulmonary #CTChest ... #Comparison #Table ... #RadiologyAssistant