11 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Cystic LCH: - LAM ... : round cysts, evenly ... #Diagnosis #Radiology ... #Cysts #Differential
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell ... histiocytosis (LCH ... #Clinical #Radiology ... #HRCT #CTChest ... #RadiologyAssistant
HRCT findings in Langerhans cell histiocytosis:
Early stage:
- Small irregular or stellate nodules in centrilobular location.
Late stage
HRCT findings in ... #Clinical #Radiology ... #CTChest #LCH # ... LangerhansCellHistiocytosis ... #RadiologyAssistant
On the left a case with multiple round and bizarre shaped cysts.
There was an upper lobe
with multiple round ... bizarre shaped cysts ... #Clinical #Radiology ... #Langerhans #Histiocytosis ... #LCH #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Lymphangiomyomatosis (LAM ... LCH: multiple round ... #Clinical #Radiology ... #HRCT #CTChest ... #RadiologyAssistant
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
cell histiocytosis ... of such cases a HRCT ... #Clinical #Radiology ... #LangerhansCellHistiocytosis ... #LCH #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
(LAM, LIP, Langerhans ... cell histiocytosis ... on the basis of HRCT ... #Diagnosis #Radiology ... LowAttenuation #Differential
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis ... cell histiocytosis ... gren syndrome. ... #Clinical #Radiology ... #Cystic #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
diagnosis in this ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest #LCH ... #Cystic #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... cell histiocytosis ... #Diagnosis #Radiology ... #RadiologyAssistant