12 results
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 ... #Diagnosis #Radiology ... #CTChest #Cystic
On the left we see a chest film with a typical finger-in-glove shadow.
The HRCT shows focal
#Clinical #Radiology ... #CXR #CTChest # ... ABPA #Allergic # ... FingerInGlove #Sign ... #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 # ... #Langerhans #LangerhansCellHistiocytosis ... #LCH #RadiologyAssistant
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
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 radiological pathological correlation of Langerhans cell histiocytosis in respectively nodular stage and early
early and late cystic ... #Clinical #Radiology ... #Pathology #CTChest ... #Microscopy #LCH ... #LangerhansCellHistiocytosis
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 ... #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
HRCT findings in Langerhans cell histiocytosis:
Early stage:
- Small irregular or stellate nodules in centrilobular location.
Late stage
airspaces Cysts ... #Clinical #Radiology ... #CTChest #LCH # ... LangerhansCellHistiocytosis ... Histiocytosis #RadiologyAssistant
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
bronchiectasis, as in cystic ... aspergillosis (ABPA ... #Clinical #Radiology ... #CXR #CTChest # ... Mucus #Plugging #RadiologyAssistant