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In a later stage the nodules start to cavitate and become cysts.
These cysts start as round
nodules start to cavitate ... as round structures ... #Clinical #Radiology ... LangerhansCellHistiocytosis ... #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Cystic LCH: - LAM ... : round cysts, evenly ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
of such cases a HRCT ... #Clinical #Radiology ... #Interstitial # ... Langerhans #LangerhansCellHistiocytosis ... #LCH #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
the central dot sign ... #Clinical #Radiology ... #CXR #CTChest #LCH ... #LangerhansCellHistiocytosis ... #RadiologyAssistant