7 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Langerhans cell histiocytosis ... : round cysts, evenly ... : 'signet ring sign ... #Diagnosis #Radiology ... #CTChest #Cystic
On the left a case with multiple round and bizarre shaped cysts.
There was an upper lobe
with multiple round ... bizarre shaped cysts ... combination of findings ... #Clinical #Radiology ... #CTChest #LangerhansCellHistiocytosis
HRCT findings in Langerhans cell histiocytosis:
Early stage:
- Small irregular or stellate nodules in centrilobular location.
Late stage
HRCT findings in ... #Clinical #Radiology ... #CTChest #LCH # ... LangerhansCellHistiocytosis ... #RadiologyAssistant
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
Langerhans cell histiocytosis ... #Clinical #Radiology ... #CXR #CTChest # ... #Langerhans #LangerhansCellHistiocytosis ... #LCH #RadiologyAssistant
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 ... #Late #Histiocytosis
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
The dominant findig ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest # ... #Cystic #RadiologyAssistant
he CT shows a lesion that originates in the lung.
Many would have a lungcancer on the
the comet tail sign ... lesion and when the findings ... #Clinical #Radiology ... #CTChest #RoundedAtelectasis ... #RadiologyAssistant