29 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Cystic LCH: - LAM ... Clinical #Diagnosis #Radiology ... #Cysts #Differential ... Comparison #Table #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... low attenuation areas ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
low attenuation areas ... (LAM): regular cysts ... #Clinical #Radiology ... LowAttenuation #Cystic ... Comparison #Table #RadiologyAssistant
On the left another case of Langerhans' cell histiocytosis.
It started as small noduli, which progressed over
bizarre shaped cysts ... #Clinical #Radiology ... #CTChest #LCH #LangerhansCellHistiocytosis ... Histiocytosis #Cystic ... #RadiologyAssistant
On the left radiological pathological correlation of Langerhans cell histiocytosis in respectively nodular stage and early
early and late cystic ... #Clinical #Radiology ... Microscopy #LCH #LangerhansCellHistiocytosis ... Histiocytosis #Cavitary #RadiologyAssistant
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 ... Histiocytosis #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... #Diagnosis #Radiology ... LowAttenuation #Differential ... TractionBronchiectasis #Cysts ... Emphysema #SignetRing #RadiologyAssistant
Cystic lung disease
Lung cysts are defined as radiolucent areas with a wall thickness of less than
as radiolucent areas ... as radiolucent areas ... #Diagnosis #Radiology ... CysticLungDisease #Differential ... #RadiologyAssistant
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
Cystic versus Reticular ... LCH is called a cystic ... #Clinical #Radiology ... Interstitial #Langerhans #LangerhansCellHistiocytosis ... #LCH #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... them from cysts ... Clinical #Diagnosis #Radiology ... Emphysema #Comparison #RadiologyAssistant