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#Clinical #Radiology #CTChest #RoundedAtelectasis #Rounded #Atelectasis #CometTail #Sign #RadiologyAssistant
#Clinical #Radiology ... #CTChest #RoundedAtelectasis ... #Rounded #Atelectasis ... #CometTail #Sign ... #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Cystic LCH: - LAM: round ... : 'signet ring sign ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Differential #Comparison
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
LCH: multiple round ... #Clinical #Radiology ... #HRCT #CTChest ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
There is an atelectasis of the left upper lobe.
You would not expect the apical region to
the luft sichel sign ... #Clinical #Radiology ... #CXR #Lateral # ... Lobar #Collapse #Luftsichel ... #RadiologyAssistant
The findings are:
 - Large density on the left with loss of cardiac silhouette.
 - High
#Clinical #Radiology ... #CXR #Lateral # ... Lobar #Collapse #Luftsichel ... #Sign #LuftsichelSign ... #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
pulmonary edema: bilateral ... #Clinical #Radiology ... #Pulmonary #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
he CT shows a lesion that originates in the lung.
Many would have a lungcancer on the
the comet tail sign ... #Clinical #Radiology ... #CTChest #RoundedAtelectasis ... #CometTail #Sign ... #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
fluid or solid material ... Clinical #Diagnosis #Radiology ... #CTChest #Cavity ... Cyst #Emphysema #Comparison ... #RadiologyAssistant
In a later stage the nodules start to cavitate and become cysts.
These cysts start as round
In a later stage ... cysts start as round ... #Clinical #Radiology ... #CTChest #LCH # ... Histiocytosis #Cavitary #RadiologyAssistant
PA view
On the PA chest-film it is important to examine all the areas where the lung
view On the PA chest-film ... the silhouette sign ... we will discuss later ... Clinical #Anatomy #Radiology ... ParatrachealStripe #RadiologyAssistant