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Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Apical, Posterior, Anterior ... • Middle Lobe: Lateral ... , Lateral, Posterior ... Anteromedial, Lateral ... #clinical #radiology
Cardiac incisura
Click image to enlarge.
On the right side of the chest the lung will lie against
the lung will lie ... part of the lung ... not reach the anterior ... #Clinical #Radiology ... #CXR #Lateral #
Luftsichel Sign in Left Upper Lobe Collapse - Chest X-Ray

An upper lobe collapse causes the collapse
- Chest X-Ray ... lung segments to ... be pushed anteriorly ... #clinical #radiology ... #Chest #XRay #CXR
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
looking at the lateral ... must be located anteriorly ... in the left lung ... #Clinical #Radiology ... #CXR #Pneumonia
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... the surrounding lung ... #Clinical #Diagnosis ... #Radiology #CTChest
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... is interstitial lung ... When the cysts have ... #Diagnosis #Radiology
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
, like cyst, cavity ... we describe a chest ... visible wall #CXR ... #Lucency #Differential ... #Diagnosis #Radiology
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
attached to the chest ... cyst in the upper ... leading to pulmonary cyst ... #Clinical #Radiology ... #CXR #Pneumothorax
Pericardial cyst
Pericardial cysts are connected to the pericardium and usually contain clear fluid.
The majority of pericardial
Pericardial cyst ... arise in the anterior ... On the chest x-ray ... #Clinical #Radiology ... #CXR #CTChest #
The azygoesophageal recess is the region inferior to the level of the azygos vein arch in
which the right lung ... between the heart anteriorly ... lymphadenopathy Bronchogenic cyst ... #Clinical #Anatomy ... #Radiology #CTChest