13 results
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell ... multiple thick walled cysts ... (LAM): regular cysts ... #Clinical #Radiology ... #Pattern #Comparison
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
cell histiocytosis ... Cystic LCH: - LAM ... : round cysts, evenly ... #CTChest #Cystic ... #Cysts #Differential
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
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
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
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
cell histiocytosis ... caused by multiple cysts ... #Clinical #Radiology ... #CXR #CTChest # ... LCH #LangerhansCellHistiocytosis
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
or a cystic pattern ... cell histiocytosis ... #Clinical #Radiology ... #CXR #CTChest # ... #Langerhans #LangerhansCellHistiocytosis
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 ... #HRCT #CTChest
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 ... #CTChest #LangerhansCellHistiocytosis
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 ... #CTChest #LCH #