10 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 ... Honeycombing. 4. ... #Clinical #Radiology
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
LCH: multiple round ... Honeycombing 4. ... #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 ... LowAttenuation #Differential ... #Diagram #Comparison
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... or Langerhans cell ... #Clinical #Diagnosis ... #Radiology #CTChest ... Emphysema #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
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
with Langerhans cell ... caused by multiple cysts ... stage Langerhans cell ... #Clinical #Radiology ... LCH #LangerhansCellHistiocytosis
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 ... #CTChest #Lymphangiomyomatosis
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Langerhans cell ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... #Comparison #Table
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
UIP with honeycombing ... centrilobular emphysema ... #Clinical #Diagnosis ... #Radiology #CTChest ... #UIP #Comparison