10 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: round cysts, evenly ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #CTChest #Cystic
In a later stage the nodules start to cavitate and become cysts.
These cysts start as round
as round structures ... #Clinical #Radiology ... #CTChest #LCH # ... LangerhansCellHistiocytosis ... Histiocytosis #Cavitary #RadiologyAssistant
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 ... Histiocytosis #LCH
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... LCH: multiple round ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
On the left another case of Langerhans' cell histiocytosis.
It started as small noduli, which progressed over
bizarre shaped cysts ... #Clinical #Radiology ... #CTChest #LCH # ... LangerhansCellHistiocytosis ... Histiocytosis #Cystic #RadiologyAssistant
Langerhans cell histiocytosis is an uncommon disease characterised by multiple cysts in patients with nicotine abuse.
In
cavitate and become cysts ... #Clinical #Radiology ... #CTChest #LangerhansCellHistiocytosis ... #LCH #Nodular # ... RadiologyAssistant
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
The CXR is of a ... #Clinical #Radiology ... #CXR #CTChest # ... Interstitial #Langerhans #LangerhansCellHistiocytosis ... #LCH #RadiologyAssistant
HRCT findings in Langerhans cell histiocytosis:
Early stage:
- Small irregular or stellate nodules in centrilobular location.
Late stage
There are no cysts ... #Clinical #Radiology ... #CTChest #LCH # ... LangerhansCellHistiocytosis ... Histiocytosis #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
caused by multiple cysts ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest # ... LCH #LangerhansCellHistiocytosis
Here we have a prior CXR of this patient.
The AP-film shows a right paratracheal mass.
The azygoesophageal
The large round ... #Clinical #Radiology ... #CXR #CTChest # ... Achalasia #DilatedEsophagus ... Esophagus #Aspiration #RadiologyAssistant