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Luftsichel Sign in Left Upper Lobe Collapse - Chest X-Ray

An upper lobe collapse causes the collapse
Luftsichel Sign ... LUL and the aorta ... #Luftsichel #Sign ... #LUL #Collapse ... #clinical #radiology
Radiographic Signs of Lobar Collapse
General findings to look for:
 • Crowding of ribs near collapse
 •
Radiographic Signs ... of Lobar Collapse ... Crowding of ribs near ... pulmonary #lung #signs ... #radiology #diagnosis
Left upper lobe atelectasis
What are the findings?
 - Minimal volume loss with elevation of the left
, which is the collapsed ... lobe #Clinical #Radiology ... #CXR #Lateral #LUL ... #Lobar #Collapse ... #APWindow #RadiologyAssistant
There is an atelectasis of the left upper lobe.
You would not expect the apical region to
#Clinical #Radiology ... #CXR #Lateral #LUL ... #Lobar #Collapse ... #Luftsichel #Sign ... LuftsichelSign #RadiologyAssistant
The CT-images demonstrate the atelectasis of the left upper lobe (blue arrow).
There is a centrally located
#Clinical #Radiology ... #CTChest #LUL # ... Lobar #Collapse ... #Obstructive #RadiologyAssistant
On the PET-CT there is both a tumor in the left lung, aswell as in the
#Clinical #Radiology ... #CXR #PETCT #LUL ... #Lobar #Collapse ... #RadiologyAssistant
Left lower lobe atelectasis - There is a triangular density seen through the cardiac shadow.
This must
opposite #Clinical #Radiology ... #CXR #LLL #Lobar ... #Collapse #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... Clinical #Diagnosis #Radiology ... Cystic #Cysts #Differential ... Comparison #Table #RadiologyAssistant
Right upper lobe atelectasis
Findings:
1) triangular density
2) elevated right hilus
3) obliteration of the retrosternal clear space (arrow)
arrow) #Clinical #Radiology ... #CXR #RUL #Lobar ... #Collapse #LungCancer ... #RadiologyAssistant
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
cardiogenic edema, to differentiate ... Look for other signs ... infection, ARDS, near-drowning ... #Diagnosis #Radiology ... #RadiologyAssistant