Anatomical structures

Question 1

Meganblase

Answer 1

Gastric Air Bubble

Question 2

Pars Interarticularis

Answer 2

Best visualized on a lumbar oblique view (collar of the Scotty dog). Used to assess pars fracture (spondylolisthesis)

Question 3

Carina

Answer 3

Bronchi bifircation

Question 4

Aortic knuckle

Answer 4

top curve of the aortic arch

Question 5

Harris’ Ring

Answer 5

TVP of C2 visualized on lateral cervical view

Question 6

Sella Turcica

Answer 6

Location in the skull where the pituitary gland sits

Question 7

Mastoid air cells

Answer 7

Skull landmark

Question 8

Tibial Eminence

Answer 8

Location of tibial spine where ACL and PCL attach

Question 9

Tibial Plafond

Answer 9

Distal tibial joint space

Question 10

Ankle Mortise

Answer 10

Includes the medial malleolus, medial malleolus and tibial plafond

Question 11

Kager’s Fat Pad

Answer 11

Achille’s tendon fat pad

Question 12

Sinus Tarsi Space

Answer 12

Lucency visualized between the talus and calcaneus on a lateral ankle view

Question 13

Posterior Malleolus

Answer 13

Posterior process of distal tibia