26 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Cystic LCH: - LAM ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #CTChest #Cystic ... Comparison #Table #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Lymphangiomyomatosis (LAM ... LCH: multiple round ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
histiocytosis (LCH ... Lymphangiomyomatosis (LAM ... #Clinical #Radiology ... #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung cysts ... #Clinical #Diagnosis ... #Radiology #CTChest ... Cystic #Comparison #LAM ... Histiocytosis #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 # ... #Pneumothorax #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
attached to the chest ... There is a lung cyst ... formation and pneumothorax ... #Clinical #Radiology ... #RadiologyAssistant
In a later stage the nodules start to cavitate and become cysts.
These cysts start as round
start to cavitate and ... of LCH. ... #Clinical #Radiology ... #CTChest #LCH # ... Histiocytosis #Cavitary #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
cysts. ... fluid or solid material ... #Clinical #Diagnosis ... #Radiology #CTChest ... Emphysema #Comparison #RadiologyAssistant
Pericardial cyst
Pericardial cysts are connected to the pericardium and usually contain clear fluid.
The majority of pericardial
On the chest x-ray ... On CT however there ... #Clinical #Radiology ... #CXR #CTChest # ... #RadiologyAssistant
Secundum atrial septal defect (ASD) CardiacCT. In nl development, the ostium secundum allows placental blood to
septal defect (ASD ... lungs by RA to LA ... MMI approach, CT ... @AChoiHeart #Clinical ... CardiacCTA #CCTA #ASD