9 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 ... #CTChest #Cystic ... #Cysts #Differential ... #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
-
LIP, Langerhans cell ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Diagram #Comparison ... #RadiologyAssistant
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 ... #Clinical #Radiology ... #CTChest #Emphysema ... #RadiologyAssistant
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 ... #Clinical #Radiology ... #CXR #CTChest # ... LCH #LangerhansCellHistiocytosis ... #RadiologyAssistant
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis ... Lymphangiomyomatosis: Langerhans cell ... Centrilobular emphysema ... #Clinical #Radiology ... #LAM #Cystic #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Langerhans cell ... before the typical cysts ... #Pulmonary #CTChest ... #Comparison #Table ... #RadiologyAssistant