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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 ... #RadiologyAssistant
On the left a case with multiple round and bizarre shaped cysts.
There was an upper lobe
bizarre shaped cysts ... cell histiocytosis ... #Clinical #Radiology ... #Langerhans #Histiocytosis ... #LCH #RadiologyAssistant
HRCT findings in Langerhans cell histiocytosis:
Early stage:
- Small irregular or stellate nodules in centrilobular location.
Late stage
cell histiocytosis ... cell histiocytosis ... #Clinical #Radiology ... #CTChest #LCH #LangerhansCellHistiocytosis ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
(LAM, LIP, Langerhans ... cell histiocytosis ... #Diagnosis #Radiology ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis of Langerhans ... cell histiocytosis ... Clinical #Diagnosis #Radiology ... #Differential #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell ... histiocytosis (LCH ... #Clinical #Radiology ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
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 ... #Cystic #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Langerhans cell ... histiocytosis: early ... before the typical cysts ... #Clinical #Radiology ... #Table #RadiologyAssistant
On the left radiological pathological correlation of Langerhans cell histiocytosis in respectively nodular stage and early
correlation of Langerhans ... cell histiocytosis ... #Clinical #Radiology ... Microscopy #LCH #LangerhansCellHistiocytosis ... #Cavitary #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