12 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
LCH: multiple round ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table ... #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Cystic LCH: - LAM ... #Diagnosis #Radiology ... #CTChest #Cystic ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
histiocytosis (LCH ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table ... #RadiologyAssistant
HRCT findings in Langerhans cell histiocytosis:
Early stage:
- Small irregular or stellate nodules in centrilobular location.
Late stage
Late stage (more ... predominance. - Recurrent pneumothorax ... #Clinical #Radiology ... #CTChest #LCH # ... Histiocytosis #RadiologyAssistant
In a later stage the nodules start to cavitate and become cysts.
These cysts start as round
In a later stage ... #Clinical #Radiology ... #CTChest #LCH # ... LangerhansCellHistiocytosis #Late ... Histiocytosis #Cavitary #RadiologyAssistant
On the left radiological pathological correlation of Langerhans cell histiocytosis in respectively nodular stage and early
cystic stage. ... #Clinical #Radiology ... #Pathology #CTChest ... #Microscopy #LCH ... Histiocytosis #Cavitary #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
the air-fluid level ... attached to the chest ... There is a lung cyst ... #Clinical #Radiology ... Lymphangioleiomyomatosis #LAM #RadiologyAssistant
On the left a case with multiple cysts that are evenly distributed througout the lung (
with multiple cysts ... in contrast to LCH ... #Clinical #Radiology ... #CTChest #LAM # ... #RadiologyAssistant
Langerhans cell histiocytosis is an uncommon disease characterised by multiple cysts in patients with nicotine abuse.
In
nodules, that later ... #Clinical #Radiology ... #CTChest #LangerhansCellHistiocytosis ... #LCH #Nodular # ... RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
the air-fluid level ... attached to the chest ... There is a lung cyst ... #Clinical #Radiology ... Lymphangioleiomyomatosis #LAM #RadiologyAssistant