Imaging Procedures- Test #3 (skull)

MSP and IOML

what plane is parallel to the IR for the lateral skull

IP line

what line is perpendicular to the IR for a lateral skull

2 inches above EAM

where do you center for a lateral skull

suspend respiration

breathing for all skull projections

sella turcia, anterior clinoid process, dosum sella, and posterior clinoid process in profile, not overlap of mandible over c spine

evaluation for lateral skull

OML

what plane is perpendicular to the IR for a PA projection of the skull

nasion

where does the CR exit for a PA projection of the skull

filling the orbits

where are the petrous ridges for a PA projection of the skull

OML

what plane is perpendicular to the IR for a PA axial Caldwell method

15 caudal

what is the tube angle for a PA axial caldwell method

nasion

where does the CR exit for a pa axial caldwell method

lower 1/3 of orbits

where are the petrous ridges for the pa axial caldwell method

15 cephalic

what is the angle for a Ap axial skull

30 caudal

what is the tube angle for ap axial towne method

OML

what plane is perpendicular to the IR for the ap axial towne method

2.5 inches above glabella

where does the CR enter for an ap axial towne method

glabella

where does the CR exit for an ap axial towne method

IOML

what plane can you use for the ap axial towne method to help with patient comfort

37 caudal

if you are using the IOML for the ap axial towne method what should your angle be

posterio foraman magnum, dorsum sella and posterior clinoid within foremen magnum

evaluation criteria for ap axial towne method

MSP and OML

what planes are perpendicular to the IR for a PA axial hass method

25 cephalic

what is the tube angle for the pa axial projection haas method

1.5 below EOP

where do you center for a PA axial haas method

1.5 superior to the nasion

where does the CR leave for the pa axial projection haas method

evaluation criteria for pa axial haas method

symmetric petrous ridges, posterior foramen magnum, dosum sella and posterior clinoid process with in forament magnum

IOML

what plane is parallel to the IR for the SMV projection schuller method

MSP

what plane is perpendicular to the IR for the SMV sculler method

between angles of mandible ¾ anterior to EAM

where is the CR for the SMV projections schuller method

petrous ridges, mastoid process, foramen ovale and spinosum, corotid canal, sinsuse, mandible overlap with skull

evaluation criteria for SMV projection schuller method

frontal bone

1

supraorbital foramen

2

optic foramen

3

sphenoid bone

4

ethmoid bone

5

temporal bone

6

superior orbital fissure

7

sphenoid bone

8

glabella

9

parietal bone

10

glabella

1

pterion

2

bregma

3

coronal suture

4

frontal bone

5

parietal bone

6

sphenoid bone

7

temporal bone

8

squamosal suture

9

lambda

10

lambdoidal suture

11

occipital bone

12

external occipital protuberance (inion)

13

asterion

14

mastoid process

15

external acoustic meatus

16

styloid process

17

crista galli

1

cribriform plate

2

optic canal and foramen

3

tuberculum sellae

4

anterior clinoid process

5

sella turcica

6

posterior clinoid process

7

foramen lacerum

8

dorsum sellae

9

jugular foramen

10

hypoglossal canal

11

foramen magnum

12

occipital bone

13

clivus

14

petrous portion

15

diploe

16

temporal bone

17

foramen spinosum

18

foramen ovale

19

optic groove

20

greater wing

21

lesser wing

22

orbital plate

23

coronal suture

1

orbital roof

2

sella turcica

3

sphenoid sinus

4

petrous portion of temporal bone

5

temporomandibular joint

6

external acoustic meatus

7

mandibular rami

8

frontal sinus

1

crista galli

2

superior orbital margin

3

superior orbital fissure

4

ethmoidal sinus

5

petrous ridge

6

inferior orbital margin

7

8

how many cranial bone are there

frontal, occipital, r and l parietal

what cranial bones make up the calvaria of the skull

ethmoid, sphenoid, r and l temporal

what cranial bones make up the floor of the skull

22

how many bones in the skull

2

how many groups of bones are in the skull

cranial and fascial bones

what are the two groups that make up the skull