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Mediastinal masses are discussed in more detail in Mediastinal masses.
Here is just a brief overview. #Diagnosis
Mediastinal masses ... #Diagnosis #Radiology ... #Differential #Table ... #Anterior #Middle ... #Posterior #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
a patient with active ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
On HRCT there are ... low attenuation (table ... seen and in many cases ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
The azygoesophageal recess is the region inferior to the level of the azygos vein arch in
between the heart anteriorly ... azygoesophageal line is caused ... cyst #Clinical #Anatomy ... #Radiology #CTChest ... Azygoesophageal #Recess #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... morphologic findings on HRCT ... #Diagnosis #Radiology ... ILD #Findings #RadiologyAssistant
Ground-glass opacity is nonspecific, but highly significant finding since 60-80% of patients with ground-glass opacity on
ground-glass opacity on HRCT ... have an active ... usually associated HRCT ... #Clinical #Radiology ... GroundGlass #GGO #RadiologyAssistant
On a chest film only the outer contours of the heart are seen.
In many cases we
In many cases we ... Enlargement will cause ... Ventricle - Most anterior ... #Anatomy #Radiology ... Cardiac #Chambers #RadiologyAssistant
Metastases
Metastases are the most common cause of multiple pulmonary masses.
Usually they vary in size and are
the most common cause ... HRCT will demonstrate ... has invaded the inferior ... #Clinical #Radiology ... Lung #Metastases #RadiologyAssistant
The table on the left is the overall table for mediastinal masses.
In the next paragraphs we
The table on the ... is the overall table ... Diagnosis #Pulmonary #Radiology ... #Anterior #Middle ... #Posterior #RadiologyAssistant
Lateral view
On a normal lateral view the contours of the heart are visible and the IVC
proces in the anterior ... this is not the case ... #Clinical #Anatomy ... #Radiology #CXR ... Normal #Labeled #RadiologyAssistant