Skull Part 1

Question 1

For lateral skull what line do we use

Answer 1

IOML AND IT MUST BE perp

Question 2

For lateral skull the IPL IS

Answer 2

parallel

Question 3

CR for lateral skull

Answer 3

2 in superior to EAM

Question 4

What do you see in lateral skull

Answer 4

Sella turcia in profile, dorsum sellae, anterior and posterior clinoid process

Question 5

For pa and pa axial what line do we use

Answer 5

OML AND IT MUST BE PERP

Question 6

Angle for Caldwell

Answer 6

15 degree caudal

Question 7

CR for PA PA AXIAL

Answer 7

Exiting the nation

Question 8

How do we know oml is good for regular pa

Answer 8

Petrous ridges fill all of orbits evenly

Question 9

How do we know oml is good for pa axial

Answer 9

Petrous ridges fill lower third of orbits

Question 10

Why do you do pa axial haas or ap Townes

Answer 10

To see sellar structures within foramen magnum

Question 11

Angle for Townes

Answer 11

30 oml 37 ioml caudal

Question 12

CR for haas

Answer 12

Enters 1.5in below occipital protuberance and 1.5 above nasion

Question 13

Your line for haas

Answer 13

Oml perp to IR

Question 14

How do you know if no rotation for haas

Answer 14

Dorsum sellar and posterior clinoid process in foramen magnum

Question 15

Central ray for ap and ap axial

Answer 15

Nasion

Question 16

Angle for ap axial

Answer 16

15 cephalon

Question 17

What line do you use for ap and ap axial

Answer 17

Oml and it’s perp

Question 18

What line do we use for Townes

Answer 18

Oml and ioml

Question 19

Angle for Townes

Answer 19

30 caudal if oml and 37 caudal if ioml

Question 20

Central Ray for Townes

Answer 20

2.5 in above glabella exiting at the foramen magnum

Question 21

No rotation Townes evidenced by

Answer 21

Sellar structures in the foramen magnum like dorsum sellar and clinoid process

Question 22

What line are we using for SMV

Answer 22

IOML and it’s parallel

Question 23

What is the central ray for SMV

Answer 23

Centered to sella turcica 3/4in anterior to eam