13 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... : round cysts, evenly ... #CTChest #Cystic ... #Cysts #Differential ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
histiocytosis (LCH ... multiple thick walled cysts ... (LAM): regular cysts ... #Clinical #Radiology ... #Pattern #Comparison
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... histiocytosis: early ... the typical cysts ... #Clinical #Radiology ... #Comparison #Table
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
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) ... #Pulmonary #CTChest ... TractionBronchiectasis #Cysts
HRCT findings in Langerhans cell histiocytosis:
Early stage:
- Small irregular or stellate nodules in centrilobular location.
Late stage
in Langerhans cell ... airspaces Cysts ... There are no cysts ... #Clinical #Radiology ... #CTChest #LCH #
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Langerhans cell ... histiocytosis: early ... the typical cysts ... #Clinical #Diagnosis ... #CTChest #Nodular
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
Cysts occur without ... Cysts usually contain ... #Radiology #CTChest ... #Cavity #Cyst # ... Emphysema #Comparison
On the left another case of Langerhans' cell histiocytosis.
It started as small noduli, which progressed over
of Langerhans' cell ... histiocytosis. ... bizarre shaped cysts ... #Clinical #Radiology ... #CTChest #LCH #
Langerhans cell histiocytosis is an uncommon disease characterised by multiple cysts in patients with nicotine abuse.
In
Langerhans cell ... characterised by multiple cysts ... cavitate and become cysts ... #Clinical #Radiology ... #LCH #Nodular #