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Radiography of the Skull and Facial Bones
Postioning , Central Rays, and Baselines
39
Health Care
Undergraduate 2
01/28/2013

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Cards

Term
What is the CR for the PA projection of the cranium
Definition
Perpindicular to exit the nasion
Term
What si the CR for the PA Axial Caldwell
Definition
15 degrees caudal to exit the nasion
Term
What is the CR for the Lateral Projection of the Cranium
Definition
Perpinducular to enter 2" Sup to the EAM
Term
What is the CR for the AP Axial Towne
Definition

30 degrees caudal to enter 2" superior to the glabella

 

30 degrees to oml, 37 degrees to ioml

Term
What is the CR for the PA Axial Haas
Definition
Cephalic with a 25 degree to oml, 1.5 inches below occiptal protuberance and exit 1.5 inches superior to nasion
Term
What is the CR for the SMV Shuller for the cranium
Definition
THrough the sella turcica entering the angle of the mandible, 3/4 of inch anterior to level of the EAM
Term
What is the CR for the PA Axial Caldwell for the sinuses
Definition
15 degrees caudal to exit the nasion
Term
What is the CR for the Lateral Sinuses
Definition
1/2 inch posterior to outer canthus
Term
What is the CR for the Parietal Acanthial Waters for the sinuses
Definition
Perpindicular to exit the acanthion
Term
What is the CR for the SMV Sinuses
Definition
3/4 inch anterior to EAM
Term
What is the CR for the PA Axial Pirie (Open Mouth
Definition
Caudal angle along the line from the sella turcica through the mouth
Term
What is the CR for the PA Facial bones
Definition
Perpindicular to exit the acanthion
Term
What is the CR for the Lateral facial bones
Definition
1/2 way between the outer canthus and the eam on the zygoma
Term
What is the CR for the Parietal Acanthial Waters for facial bones
Definition
Perpindicular to exit the acanthion
Term
What is the CR for the SMV for Zygomatice arches
Definition
1 inch posterior to outer canthus
Term
What is the CR for the tangential projection of the zygomatic arches (may)
Definition
1.5 inches posterior to outer canthus
Term
What is the CR for the AP axial modified towne for zygomatic arches
Definition
Entering glabella 1 inch above nasion
Term
What is the CR for the PA Axial projection of the orbits
Definition
30 degrees caudal to exit the infra orbital margin
Term
What is the CR for the parietal acantial projection modified waters for orbits
Definition
through mid orbits
Term
what is the CR for the Parietal orbital oblique rheese for orbits
Definition
1 inch sup and 1 inch post to top of ear attachment exiting the affected orbit
Term
What are the baselines for the Pa projection of skull
Definition

OML is perpendicular

MSP is Perpendicular

Term
What are the baselines for the PA Axial Caldwell Cranium
Definition

OML Perpendicular

MSP Perpendicular

Term
What are the baselines for the lateral projection of the cranium
Definition

MSP Parrelle with plane of IR

IOML is parelle with long axis of IR

IPL is Perpendicular to IR

Term
What are the baselines for the AP axial Towne for the cranium
Definition

MSP is Perpendicular

OML is Perpendicular

Term
What are the baselines for the PA axial Haas
Definition
MSP and OML are perpendicular
Term
What are the baselines for the SMV Shuller for the Cranium
Definition

MSP is perpendicular

IOML is Parelle with plane of IR

Term
What are the baselines for the PA Axial Sinuses
Definition
Same as PA Axial Caldwell
Term
What are the baselines for the lateral facial bones
Definition
Same as the lateral cranium
Term
What are the baselines for the parietal acanthial waters for the sinuses
Definition

OML is 37 degrees to the plane of the IR

MOM is Perpindicular to the plane of IR

Term
What are the baselines for the SMV Sinuses
Definition
Same as SMV SHULLER Cranium
Term
What are the baselines for the PA Facial bones
Definition
Smae as PA Cranium
Term
What are the baselines for the Lateral facial bones
Definition
Same as the lateral cranium
Term
What are the baselines for the parietal acanthial waters facial bones
Definition
smae as parietal acanthial waters for sinuses
Term
What are the baselines for the tangential may for zygomas
Definition

msp is 15 degrees away from affected side

tilt top of head 15 degrees away from affected side

Term
What are the baselines for the tangential (supine) zygoma
Definition

MSP is 15 degrees toward affected side

tilt top of head 15 degrees away from affected side

Term
What are the baselines for the AP AXIAL Modified towne
Definition
same as AP AXIAL towne for the cranium
Term
What are the baselines for the PA Axial orbits
Definition
OML is perpendicular to IR
Term
What are the baselines for the Parietal Acanthial Mod Waters for orbits
Definition
OML is 50 degrees to plane of IR
Term

What are the baselines for the Parietal Orbital Oblique Rheese for orbits

 

Definition

Acanthial Meatal line is Perpendicular to plane of IR

MSP is 53 Degrees to Plane of IR or 37 degrees from verticle

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