8 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Langerhans cell histiocytosis ... : round cysts, evenly ... : 'signet ring sign ... #Diagnosis #Radiology ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell histiocytosis ... (LCH): multiple ... #Clinical #Radiology ... #Comparison #Table ... #RadiologyAssistant
On the left a case with multiple round and bizarre shaped cysts.
There was an upper lobe
with multiple round ... #Clinical #Radiology ... #CTChest #LangerhansCellHistiocytosis ... #Langerhans #Histiocytosis ... #LCH #RadiologyAssistant
In a later stage the nodules start to cavitate and become cysts.
These cysts start as round
cysts start as round ... #Clinical #Radiology ... LangerhansCellHistiocytosis ... #Late #Histiocytosis ... #Cavitary #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... LCH: multiple round ... #Clinical #Radiology ... #Comparison #Table ... #RadiologyAssistant
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
Langerhans cell histiocytosis ... (LCH). ... #Clinical #Radiology ... Interstitial #Langerhans #LangerhansCellHistiocytosis ... #LCH #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
the central dot sign ... #Clinical #Radiology ... #CXR #CTChest #LCH ... #LangerhansCellHistiocytosis ... #Cystic #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Langerhans cell histiocytosis ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... Differential #Comparison #Table ... #RadiologyAssistant