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Mediastinal Widening - Differential Diagnosis

 • Vascular: Aortic dissection, Aortic anourysm, Enlarged pulmonary arteries, Venous or
Pulmonary: Upper or middle ... Nodule / mass • Masses ... Germ cell tumor), Middle ... Pericardial effusion • CXR ... Diagnosis #pulmonary #radiology
The mediastinum can be divided into an anterior, middle and posterior compartment, each with it's own
The mediastinum ... #Clinical #Radiology ... #CXR #Lateral # ... Anterior #Middle ... #Posterior #Mediastinum
Mediastinal masses are discussed in more detail in Mediastinal masses.
Here is just a brief overview. #Diagnosis
Mediastinal masses ... masses. ... #Diagnosis #Radiology ... #Mediastinal #Mass ... Table #Anterior #Middle
Serious Bacterial Illness (SBI):
1) UTI and pyelonephritis
Most common cause of SBI
Accounts for 3-8% of uncharacterized fevers
Female
pyelonephritis Most common cause ... Consider BCx, CSF evaluation ... diagnosed with CXR ... SeriousBacterialIllness #Ddxof
Azygoesophageal recess
The most important mediastinal line to look for is the azygoesophageal line, which borders the
most important mediastinal ... on most frontal CXRs ... The causes of displacement ... #Diagnosis #Radiology ... #CXR #Azygoesophageal
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
fibrotic lung disease caused ... Mediastinal lymph ... Silicosis #clinical #radiology ... #CXR #Chest #XRay
Hilum Overlay Sign on Chest X-Ray
If a mass is in contact with the pulmonary vessels then,
hilum: In this case ... be an anterior mediastinal ... XRay #clinical #radiology ... #CXR
Cardiac incisura
Click image to enlarge.
On the right side of the chest the lung will lie against
This causes a density ... the lingula or middle ... #Clinical #Radiology ... #CXR #Lateral #
Sarcoidosis
On a CXR sarcoidosis usually first presents with hilar and mediastinal lymphadenopathy (example).
Parenchymal disease can present
Sarcoidosis On a CXR ... with hilar and mediastinal ... Here a typical case ... #Clinical #Radiology ... #CXR #NodularInterstitial
The table on the left is the overall table for mediastinal masses.
In the next paragraphs we
overall table for mediastinal ... masses. ... Diagnosis #Pulmonary #Radiology ... #Mediastinal #Mass ... Table #Anterior #Middle