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Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Lung Segment Anatomy ... : Lateral, Medial ... Medial, Anterior, Lateral ... Anteromedial, Lateral ... lang=us #Lung #
Cardiac incisura
Click image to enlarge.
On the right side of the chest the lung will lie against
the chest the lung ... inferior part of the lung ... lingula or middle lobe ... Radiology #CXR #Lateral ... Cardiac #Incisura #RadiologyAssistant
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung ... CTChest #Cystic #Comparison ... Histiocytosis #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
result in decreased lung ... - Emphysema - Lung ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
The upper lobe is ... There is a lung ... cyst in the upper lobe ... with a cystic lung ... Lymphangioleiomyomatosis #LAM #RadiologyAssistant
Bronchoscopy Anatomy - Labeled
A large part of pulmonary is procedural based, and bronchoscopy is used to
abnormalities in the lung ... ) Right middle lobe ... : - lateral segment ... segment (B8) - lateral ... segment (B7/8) - lateral
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 ... SilhouetteSign #RadiologyAssistant
Left lower lobe atelectasis - There is a triangular density seen through the cardiac shadow.
This must
Left lower lobe ... confirmed on the lateral ... this is lower lobe ... see the lower lobe ... Lobar #Collapse #RadiologyAssistant
Pneumonia on Chest Xray and POCUS

Extensive pneumonia in lower left lobe (red arrow). 
POCUS: Dynamic air
in lower left lobe ... AirBronchogram #POCUS #CXR #Comparison ... #Clinical #Lung
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
Batwing A bilateral ... periphery of the lung ... seen in chronic lung ... #Differential #RadiologyAssistant