7 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
of Langerhans cell ... Cystic LCH: - LAM ... Centrilobular emphysema ... #CTChest #Cystic ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... Langerhans cell ... histiocytosis (LCH ... #Clinical #Radiology ... #HRCT #CTChest
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
LCH: multiple round ... Centrilobular emphysema ... #Clinical #Radiology ... #HRCT #CTChest ... #Pattern #Comparison
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Lung cysts (LAM ... LIP, Langerhans cell ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
Emphysema, when it is severe, can mimick Langerhans cell histiosytosis.
When it extends beyond the centrilobular area
mimick Langerhans cell ... look as if it is cystic ... patients with LCH ... #Clinical #Radiology ... #CTChest #Emphysema
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
or Langerhans cell ... Clinical #Diagnosis #Radiology ... #CTChest #Cavity ... #Cyst #Emphysema ... #Comparison #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
with Langerhans cell ... stage Langerhans cell ... #Clinical #Radiology ... #CXR #CTChest # ... LCH #LangerhansCellHistiocytosis