27 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... Cystic LCH: - LAM ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... Comparison #Table #RadiologyAssistant
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
histiocytosis (LCH ... LCH is called a ... #Clinical #Radiology ... LangerhansCellHistiocytosis #LCH ... #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
LCH: multiple round ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
histiocytosis (LCH ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant
In a later stage the nodules start to cavitate and become cysts.
These cysts start as round
shaped cysts of LCH ... patients with LCH ... #Clinical #Radiology ... #CTChest #LCH # ... Histiocytosis #Cavitary #RadiologyAssistant
On the left radiological pathological correlation of Langerhans cell histiocytosis in respectively nodular stage and early
#Clinical #Radiology ... CTChest #Microscopy #LCH ... Histiocytosis #Cavitary #RadiologyAssistant
Left lower lobe atelectasis - There is a triangular density seen through the cardiac shadow.
This must
the opposite #Clinical ... #Radiology #CXR ... #LLL #Lobar #Collapse ... #RadiologyAssistant
First study the CXR.
Notice the subtle increased density in the area behind the heart that needs
First study the CXR ... #Clinical #Radiology ... #CXR #LLL #Pneumonia ... SilhouetteSign #RadiologyAssistant
Emphysema, when it is severe, can mimick Langerhans cell histiosytosis.
When it extends beyond the centrilobular area
patients with LCH ... pathologist may find LCH ... #Clinical #Radiology ... CTChest #Emphysema #RadiologyAssistant
Here we see a consolidation which is located in the left lower lobe.
There is a normal
#Clinical #Radiology ... #CXR #Pneumonia ... #LLL #RadiologyAssistant