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Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
On the chest x-ray ... the right upper lobe ... In the proper clinical ... caused by Streptcoccus ... #Clinical #Radiology
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
: Lateral, Medial ... Medial, Anterior, Lateral ... radiopaedia.org/cases ... #CT #CTChest #pulmonary ... #clinical #radiology
Luftsichel Sign in Left Upper Lobe Collapse - Chest X-Ray

An upper lobe collapse causes the collapse
Collapse - Chest ... collapse causes ... or curtain and causes ... LUL #Collapse #clinical ... #radiology #Chest
Cardiac incisura
Click image to enlarge.
On the right side of the chest the lung will lie against
This causes a density ... anteroinferior side on the lateral ... lingula or middle lobe ... #Clinical #Radiology ... #CXR #Lateral #
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
the right lower lobe ... masses. ... the differential diagnosis ... Biopsy revealed the diagnosis ... #Clinical #Radiology
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
It is caused by ... actually seen in all ... bacterial/viral/fungal pneumonia ... TreeInBud #Sign #diagnosis ... #clinical #radiology
On the left a patient who complained of arthritic pain.

There are multiple small bilateral peripheral consolidations.
The
multiple small bilateral ... in the former case ... also organizing pneumonia ... #Clinical #Radiology ... #CTChest #COP #
On a normal lateral chest film the silhouette of the left diaphragm 2- can be seen
chest film the ... the right lower lobe ... #Clinical #Radiology ... #CXR #Pneumonia ... #RLL #Lateral #
Here a pneumonia which was hidden in the right lower lobe mainly below the level of
Here a pneumonia ... the right lower lobe ... density on the lateral ... #Clinical #Radiology ... #CXR #RLL #Pneumonia
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... : Aspiration pneumonia ... necrosis (7-14 days later ... Lung Abscess - Clinical ... #differential #causes