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Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
: Lateral, Medial ... Superior, Medial ... , Anterior, Lateral ... CTChest #pulmonary #clinical ... #radiology #Anatomy
Luftsichel Sign in Left Upper Lobe Collapse - Chest X-Ray

An upper lobe collapse causes the collapse
in Left Upper Lobe ... causes the collapse lung ... LUL #Collapse #clinical ... #radiology #Chest ... #XRay #CXR
Cardiac incisura
Click image to enlarge.
On the right side of the chest the lung will lie against
the chest the lung ... lingula or middle lobe ... #Clinical #Radiology ... #CXR #Lateral # ... Cardiac #Incisura #RadiologyAssistant
A 50 yo F with a history of poor dentition presents to the ED with fever
lesion in R middle lobe ... consistent w/ lung ... abscess #Clinical ... #Radiology #CXR ... #ChestXRay #Cavitary
There is an atelectasis of the left upper lobe.
You would not expect the apical region to
the left upper lobe ... #Clinical #Radiology ... #CXR #Lateral # ... Lobar #Collapse #Luftsichel ... LuftsichelSign #RadiologyAssistant
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
looking at the lateral ... anteriorly in the left lung ... #Clinical #Radiology ... #CXR #Pneumonia ... SilhouetteSign #RadiologyAssistant
The findings are:
 - Large density on the left with loss of cardiac silhouette.
 - High
the left upper lobe ... #Clinical #Radiology ... #CXR #Lateral # ... Lobar #Collapse #Luftsichel ... LuftsichelSign #RadiologyAssistant
Left lower lobe atelectasis - There is a triangular density seen through the cardiac shadow.
This must
Left lower lobe ... confirmed on the lateral ... the opposite #Clinical ... #Radiology #CXR ... Lobar #Collapse #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
The upper lobe is ... cyst in the upper lobe ... #Clinical #Radiology ... #CXR #Pneumothorax ... Lymphangioleiomyomatosis #LAM #RadiologyAssistant
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
consolidations in lower lobes ... involvement, with “white lung ... #Clinical #Radiology ... #CXR #ChestXRay