11 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 ... Centrilobular emphysema ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... LCH: multiple round ... Centrilobular emphysema ... #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... histiocytosis (LCH ... (LAM): regular cysts ... #Pattern #Comparison ... #Table #RadiologyAssistant
In a later stage the nodules start to cavitate and become cysts.
These cysts start as round
In a later stage ... of LCH. ... patients with LCH ... Radiology #CTChest #LCH ... Histiocytosis #Cavitary #RadiologyAssistant
Emphysema, when it is severe, can mimick Langerhans cell histiosytosis.
When it extends beyond the centrilobular area
Emphysema, when ... look as if it is cystic ... patients with LCH ... pathologist may find LCH ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
These include: - Emphysema ... - Lung cysts (LAM ... #Diagnosis #Radiology ... Differential #Diagram #Comparison ... #RadiologyAssistant
On the left radiological pathological correlation of Langerhans cell histiocytosis in respectively nodular stage and early
and early and late ... cystic stage. ... CTChest #Microscopy #LCH ... LangerhansCellHistiocytosis #Late ... Histiocytosis #Cavitary #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
caused by multiple cysts ... This is late stage ... challenging differential diagnosis ... #CXR #CTChest #LCH ... #RadiologyAssistant
HRCT findings in Langerhans cell histiocytosis:
Early stage:
- Small irregular or stellate nodules in centrilobular location.
Late stage
Late stage (more ... airspaces Cysts ... There are no cysts ... Radiology #CTChest #LCH ... Histiocytosis #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the differential diagnosis ... associated pulmonary emphysema ... #Clinical #Diagnosis ... #Emphysema #Comparison ... #RadiologyAssistant