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Mediastinal lines
Mediastinal lines or stripes are interfaces between the soft tissue of mediastinal structures and the
Azygoesophageal #Paratracheal
Mediastinal Lymph Node Anatomy
1 (Low Cervical): R/L (midline)
2 (Upper paratracheal): R/L (left paratracheal)
3 (Pre-tracheal): A/P
4 (Lower
midline) 2 (Upper paratracheal ... ): R/L (left paratracheal ... : A/P 4 (Lower Paratracheal
Garland Triad on Chest X-Ray in Sarcoidosis 
aka Pawnbroker's Sign - Right paratracheal and bilateral hilar
Pawnbroker's Sign - Right paratracheal
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
pattern is right paratracheal
POCUS “Double Tract” sign indicating esophageal intubation (located in left paratracheal location in approx. 70% humans).

#Esophageal
located in left paratracheal
Supraclavicular nodes
1.Low cervical, supraclavicular and sternal notch nodes
From the lower margin of the cricoid to the
Nodes 2-4 2R.Upper Paratracheal ... trachea. 2L.Upper Paratracheal ... prevertebral. 4R.Lower Paratracheal ... trachea. 4L.Lower Paratracheal
Silhouette Sign on Chest X-Ray
Loss of the margin between two opposing structures of the same radiographic
• RUL – right paratracheal
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
hilar and right paratracheal
Here we have a prior CXR of this patient.
The AP-film shows a right paratracheal mass.
The azygoesophageal
shows a right paratracheal
Another common cause of displacement of the azygoesophageal line is subcarinal lymphadenopathy.
Notice the displacement of the
displacing the right paratracheal