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On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
and Langerhans cell ... histiocytosis. ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #RadiologyAssistant
On the left radiological pathological correlation of Langerhans cell histiocytosis in respectively nodular stage and early
of Langerhans cell ... early and late cystic ... #Clinical #Radiology ... Microscopy #LCH #LangerhansCellHistiocytosis ... #Cavitary #RadiologyAssistant
On the left another case of Langerhans' cell histiocytosis.
It started as small noduli, which progressed over
of Langerhans' cell ... histiocytosis. ... #Clinical #Radiology ... #CTChest #LCH #LangerhansCellHistiocytosis ... #Cystic #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
of Langerhans cell ... histiocytosis. ... Cystic LCH: - LAM ... Clinical #Diagnosis #Radiology ... Comparison #Table #RadiologyAssistant
HRCT findings in Langerhans cell histiocytosis:
Early stage:
- Small irregular or stellate nodules in centrilobular location.
Late stage
in Langerhans cell ... stage Langerhans cell ... #Clinical #Radiology ... #CTChest #LCH #LangerhansCellHistiocytosis ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell ... histiocytosis (LCH ... (LAM): regular cysts ... #Clinical #Radiology ... Comparison #Table #RadiologyAssistant
On the left a case with multiple round and bizarre shaped cysts.
There was an upper lobe
bizarre shaped cysts ... for Langerhans cell ... #Clinical #Radiology ... #CTChest #LangerhansCellHistiocytosis ... #LCH #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... LIP, Langerhans cell ... histiocytosis) ... #Diagnosis #Radiology ... Emphysema #SignetRing #RadiologyAssistant
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
with Langerhans cell ... histiocytosis ( ... #Clinical #Radiology ... Interstitial #Langerhans #LangerhansCellHistiocytosis ... #LCH #RadiologyAssistant
Langerhans cell histiocytosis is an uncommon disease characterised by multiple cysts in patients with nicotine abuse.
In
Langerhans cell ... histiocytosis is ... #Clinical #Radiology ... #CTChest #LangerhansCellHistiocytosis ... #LCH #Nodular #RadiologyAssistant