16 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
of Langerhans cell ... : round cysts, evenly ... #Diagnosis #Radiology ... #CTChest #Cystic ... #Cysts #Differential
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell ... multiple thick walled cysts ... (LAM): regular cysts ... #Clinical #Radiology ... #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 histiocytosis ... #Diagnosis #Radiology ... TractionBronchiectasis #Cysts
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Pattern #Comparison
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
caused by multiple cysts ... challenging differential diagnosis ... #Clinical #Radiology ... #CXR #CTChest # ... LCH #LangerhansCellHistiocytosis
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung cysts ... cell histiocytosis ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cystic #Comparison
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
or a cystic pattern ... cell histiocytosis ... #Clinical #Radiology ... #CXR #CTChest # ... #Langerhans #LangerhansCellHistiocytosis
HRCT findings in Langerhans cell histiocytosis:
Early stage:
- Small irregular or stellate nodules in centrilobular location.
Late stage
airspaces Cysts ... There are no cysts ... #Clinical #Radiology ... #CTChest #LCH # ... LangerhansCellHistiocytosis
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
Cysts occur without ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cavity #Cyst # ... Emphysema #Comparison
On the left another case of Langerhans' cell histiocytosis.
It started as small noduli, which progressed over
another case of Langerhans ... ' cell histiocytosis ... bizarre shaped cysts ... #Clinical #Radiology ... #CTChest #LCH #