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The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... anteriorly in the left lung ... SilhouetteSign #RadiologyAssistant
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
adenopathy ('1-2-3-sign ... In lung carcinoma ... #Differential #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
feeding vessel sign ... feeding vessel sign ... densities iin the left lung ... cavitation in the right lung ... SepticEmboli #Cavity #RadiologyAssistant
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
dilatation (signet-ring sign ... the peripheral lung ... A signet-ring sign ... #Differential #RadiologyAssistant
PA view
On the PA chest-film it is important to examine all the areas where the lung
areas where the lung ... these borders lung-soft ... the silhouette sign ... ParatrachealStripe #RadiologyAssistant ... ParaAorticLine #PAView #RadiologyAssistant
Pleural effusion is not always visible as a meniscus in the costophrenic angle. 
A subpulmonic effusion
bubble and the lung ... diaphragm and the lung ... a patient with signs ... bubble to the lung ... SubpulmonicEffusion #RadiologyAssistant
Silhouette sign
This is a very important sign. It enables us to find subtle pathology and to
Silhouette sign ... very important sign ... lingula of the left lung ... the air in the lung ... SilhouetteSign #RadiologyAssistant
Rounded atelectasis
The typical findings of rounded atelectasis on CT are pleural thickening, pleural-based mass and comet
and comet tail sign ... The underlying lung ... #Atelectasis #RadiologyAssistant
CT will also demonstrate signs of congestive heart failure.
On the image on the left notice the
also demonstrate signs ... dependent part of the lungs ... non-dependent part of the lung ... IntersitialEdema #Septal #RadiologyAssistant
Increased pulmonary venous pressure is related to the pulmonary capillary wedge pressure (PCWP) and can be
logical sequence of signs ... chronic obstructive lung ... Stages #Findings #Signs ... #RadiologyAssistant