12 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... Cystic LCH: - LAM ... : round cysts, evenly ... #CTChest #Cystic ... #Cysts #Differential
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
(LCH): multiple ... thick walled cysts ... ): regular cysts ... #Clinical #Radiology ... #HRCT #CTChest
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Lymphangiomyomatosis (LAM ... ): uniform cysts ... LCH: multiple round ... bizarre shaped cysts ... #Clinical #Radiology
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... before the typical cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Nodular #Pattern
On the left another case of Langerhans' cell histiocytosis.
It started as small noduli, which progressed over
started as small noduli ... bizarre shaped cysts ... #Clinical #Radiology ... #CTChest #LCH # ... #Cystic #RadiologyAssistant
In a later stage the nodules start to cavitate and become cysts.
These cysts start as round
cavitate and become cysts ... These cysts start ... bizarre shaped cysts ... #Clinical #Radiology ... #CTChest #LCH #
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 # ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Langerhans cell histiocytosis ... before the typical cysts ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular
Langerhans cell histiocytosis is an uncommon disease characterised by multiple cysts in patients with nicotine abuse.
In
Langerhans cell histiocytosis ... characterised by multiple cysts ... cavitate and become cysts ... #Clinical #Radiology ... #LCH #Nodular #
On the left a case with multiple round and bizarre shaped cysts.
There was an upper lobe
with multiple round ... bizarre shaped cysts ... #Clinical #Radiology ... #CTChest #LangerhansCellHistiocytosis ... #LCH #RadiologyAssistant