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Here another case. On the PA-film a mass is seen that fills the aortopulmonary window. Final
Final diagnosis: ... #Clinical #Radiology ... #CXR #Lateral # ... APWindow #AP #Window ... Fullness #SCLC #RadiologyAssistant
There are about a dozen x-ray findings, but two of them are especially important: Loss of
aortic-pulmonary window ... and the calcium sign ... #Clinical #Diagnosis ... #Radiology #CXR ... AorticKnob #Dissection #APWindow
Aortopulmonary window
The aortopulmonary window is the interface below the aorta and above the pulmonary trunk and
concave or straight laterally ... is convex laterally ... #Clinical #Radiology ... #CXR #APWindow ... Hodgkins #Lymphoma #RadiologyAssistant
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... looking at the lateral ... #Clinical #Radiology ... #CXR #Pneumonia ... SilhouetteSign #RadiologyAssistant
The PET better demonstrates the extent of the lymphnode metastases in this patient.
Final diagnosis: small cell
Final diagnosis: ... #Clinical #Radiology ... #CXR #PET #APWindow ... #AP #Window #Fullness ... #SCLC #RadiologyAssistant
Hilar enlargement
The table summarizes the causes of hilar enlargement.
Normal hili are:
- Normal in position - left
branching vessels #Diagnosis ... #Radiology #CXR ... Differential #Unilateral #Bilateral ... #RadiologyAssistant
There are about a dozen x-ray findings, but two of them are especially important: Loss of
aortic-pulmonary window ... and the calcium sign ... positive calcium sign ... #Clinical #Diagnosis ... #Radiology #CXR
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
paratracheal and bilateral ... adenopathy ('1-2-3-sign ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
Batwing A bilateral ... #Diagnosis #Radiology ... #CXR #Batwing # ... Differential #RadiologyAssistant
Left upper lobe atelectasis
What are the findings?
 - Minimal volume loss with elevation of the left
lobe #Clinical #Radiology ... #CXR #Lateral # ... Lobar #Collapse #APWindow ... #RadiologyAssistant