Reg test skull projections

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22 Terms

1
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Lat skull for sinuses views which sinuses?

what should be parallel to Bucky?

Centering

Ethmoid, sphenoid, frontal (paranasal) sinuses

IOML

.5 to 1” posterior to canthus - corner of “I”

<p>Ethmoid, sphenoid, frontal (paranasal) sinuses</p><p></p><p>IOML</p><p></p><p>.5 to 1” posterior to canthus - corner of “I”</p>
2
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Lat skull projection

where is CR centered?

2” above external auditory meatus

<p></p><p>2” above external auditory meatus</p>
3
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Lat nasal bone

Cr centered to

.5” distal to nasion

<p></p><p></p><p>.5” distal to nasion</p>
4
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What should be seen in any lat skull projection (3)

ant and pos clinoid processes

supraorbital margins and wings of sphenoid superimped

superimped cranial and facial structures

<p>ant and pos clinoid processes</p><p>supraorbital margins and wings of sphenoid superimped</p><p>superimped cranial and facial structures</p>
5
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Lat face bones

CR?

halfway between outer canthus and EAM

<p>halfway between outer canthus and EAM</p>
6
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AxioLATeral Ramus

CR

25° cephalic, enters ramus at Area of interest (ROI)

<p>25° cephalic, enters ramus at Area of interest (ROI)</p>
7
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Axiolateral TMJ’s

CR

25-30° caudal thru 2” above and ‘5” anterior to EAM

<p>25-30° caudal thru 2” above and ‘5” anterior to EAM</p><p></p>
8
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Waters Position

what is perp to IR?

where is pt’s face?

Mento Meatal line (eam to chin)

facing bucky

<p>Mento Meatal line (eam to chin)</p><p></p><p>facing bucky</p>
9
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Parietocanthial Waters Sinus and Face bones

CR enters/exits

exits acanthion

<p>exits acanthion</p>
10
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Submentovertical Schuller Method

what is perp/parallel to bucky?

MSP, IOML parallel to bucky, pt is looking straight up

<p>MSP, IOML parallel to bucky, pt is looking straight up</p>
11
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where does CR enter for all SMV projections

between angles of mandibles

12
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Towne’s position

What is perp to bucky? Where is pt’s face

OML, facing away from bucky

<p>OML, facing away from bucky</p>
13
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AP axial skull, Towne’s

what is angle and entrance of CR

AP ax TMJ’s

what is angle and entrance of CR

30° caudal entering 2-2.5” above glabella

35° caudal going thru TMJ’s

<p>30° caudal entering 2-2.5” above glabella</p><p></p><p>35° caudal going thru TMJ’s</p><p></p>
14
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caldwell position

positoning and CR

facing bucky

OML perp to Bucky, nose and forehead touching

<p>facing bucky</p><p></p><p>OML perp to Bucky, nose and forehead touching</p>
15
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Pa axial Caldwell skull and facial bones CR angle and entrance

Pa sinuses Caldwell mod CR angle and entrance

15° caudal exits nasion

OML 15° cephalic , exits nasion

<p>15°&nbsp;caudal exits nasion</p><p>OML 15° cephalic , exits nasion</p>
16
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what does modded caldwell for body of mandibles positioning look like?

nose and chin on bucky, perp CR exits lips

<p>nose and chin on bucky, perp CR exits lips</p>
17
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<p>what position is this?</p>

what position is this?

waters

18
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<p>what position is this?</p>

what position is this?

townes

19
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<p>what position is this?</p>

what position is this?

caldwell

20
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<p>what position is this?</p>

what position is this?

smv schuller

21
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air fluid in sinus means basal_____ ______

skull fracture

22
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multiple myeloma should use higher or lower kVp to avoid overpenetrating _______lesions

lower, lytic