Planes

Question 1

Vertebral level L1

Answer 1

Transpyloric plane

Horizontal plate that transects the body through the lower aspect of L1

Crosses costal margin of the ninth costal cartilage
~1/2 way between jugular notch and pubic symphysis

Anatomy

• Opening of stomach into duodenum = pyloric orifice
• C-shaped duodenum
• Inferior aspect of hilum of left kidney
• Superior aspect of hilum of right kidney

Question 2

Angle of Lous T4/T5

Answer 2

Start and end of arotic arch

Bifurcation of trachea / end of trachea

Junction of superior and inferior mediastinum

Second intercostal joint / cartilage

Confluence of azygous vein and SVC (over rigth main bronchus)

Throacic duct passes from right to left

Ligamentum arteriosum