Mediastinal And Hilar Anatomy

Question 1

2L anatomy border

Answer 1

Upper: apex of left lung

Lower: superior aspect of aortic arch

Question 2

2R anatomy border

Answer 2

Upper: apex of right lung

Lower: Intersection of trachea and inferior innominant vein

Question 3

4R anatomy border

Answer 3

Upper: intersection of lower portion of innominant vein and the trachea

Lower: inferior portion of the azygous vein

Question 4

4L anatomy border

Answer 4

Upper: superior portion of aortic arch

Lower: superior portion of left main pulmonary artery

Question 5

7 anatomy border

Answer 5

Upper: carina

Lower: lower portion of bronchus intermedius on right, upper border of lower lobe bronchus on left

Question 6

10R anatomy border

Answer 6

Upper: inferior portion of azygous vein

Lower: RUL orifice

Question 7

10L anatomy border

Answer 7

Upper: superior aspect of left main pulmonary artery

Lower: LUL orifice

Question 8

11Rs anatomy border

Answer 8

Upper: RUL orifice

Lower: inferior portion of bronchus intermedius

Question 9

11Ri anatomy border

Answer 9

Upper: RML orifice

Lower: RLL bronchi

Question 10

11L anatomy border

Answer 10

Upper: LUL orifice

Lower: LLL bronchi