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AA SKULL BONES

Radiology

QuestionAnswer
Townes AP Axial method OML perpendicular to IR with 30 caudal angle on cr IOML perpendicular to Ir with 37 caudal angle on cr MSP at 2 1/2” above Glabella
Townes for mandible AP Axial OML 35 caudal angle on CR or IOML 42 caudal angle on CR at MSP at 1” above the Glabella
Townes for TMJ AP Axail OML 35 angle on CR or IOML 42 angle on CR at MSP at 3” above the Nasion
HAAS method- alternative to the Townes PA OML perpendicular to IR with 25 cephalad angle on CR MSP at 1 1/2” below Inion exiting out 1 1/2” above the Nasion
Lateral Skull IPL perpendicular to IR in true lateral CR perpendicular to IR at 2” above EAM or 1/2 way b/w the Glabella and Inion
SMV SKULL IOML parallel to IR, Vertex of head on IR, CR perpendicular to IR (IOML) at 1 1/2” below mandibular symphsis (3/4” anterior EAM)
SMV Sinuses IOML parallel to IR, Vertex of head on IR, CR perpendicular to IR (IOML) at 1 1/2” below mandibular symphsis (3/4” anterior EAM)
SMV Mandible IOML parallel to IR, Vertex of head on IR, CR perpendicular to IR (IOML) at 1 1/2” below mandibular symphsis (3/4” anterior EAM)
PA Skull OML perpendicular to IR with CR perpendicular to IR exiting out at the Glabella
PA Axial Caldwell OML perpendicular to IR CR enter back of skull at 15 angle caudal exit out at Nasion
PA Axial Caldwell Face and orbits OML perpendicular to IR with CR enter back of skull and exit out at Nasion at 15 caudal angle
PA Axial Caldwell Sinuses OML 15 Angle ( head tilt back) with CR perpendicular to IR entering back of skull and exit out at Nasion Do in ERECT to look at fluid levels
Another name for the parietoacanthial projection Waters method
Waters face PA projection MML Perpendicular to IR with chin on IR, CR perpendicular to IR enter back of skull exit out at acanthion
Waters Sinuses PA PA projection MML Perpendicular to IR with chin on IR, CR perpendicular to IR enter back of skull exit out at acanthion
Waters Nasal PA. Look for Blow Out fx PA projection MML Perpendicular to IR with chin on IR, CR perpendicular to IR enter back of skull exit out at acanthion
Waters mandible PA PA projection LML. Perpendicular to IR with chin on IR, CR perpendicular to IR enter back of skull exit out at acanthion
CR angles for axiaolateral oblique mandible If IPL perpendicular to IR - CR 25 cephalic from IPL A combination of head tilt and CR angle not to exceed 25 cephalic angle Or do a 25 degree head tilt with a perpendicular CR beam
Axiolateral oblique mandible body Head in a RAO/ LAO with part of mandible closest to IR ( downside) 30 degree angle to Ir with CR at 25 cephalic angle at body of mandible IPL Perpendicular
Axiolateral oblique Ramus Head in true lateral position with CR at 25 cephalic angle at ramus. IPL perpendicular
Axiolateral oblique Mentum Head in a RAO/ LAO with part of mandible closest to IR ( downside) 45 degree angle to Ir with CR at 25 cephalic angle at mentum of mandible IPL Perpendicular
Axiolateral oblique Gerald survey Head in a RAO/ LAO with part of mandible closest to IR ( downside) 15 - 20 degree angle to Ir with CR at 25 cephalic angle at mandible area. IPL Perpendicular
Axiolateral oblique mandible body and symphsis Mandible part in true lateral IPL perpendicular to IR with a 20-25 cephalic angle at region of interest
PA Mandible OML perpendicular to IR with CR perpendicular to IR entering back of skull and exiting at lips
PA axial mandible Rami OML perpendicular to IR with 20-25 cephalic angle entering back of skull and exiting the acanthion
PA mandible Body AML Nearly perpendicular to IR with angle of CR perpendicular to the lips and exiting the lips
PA Axial mandible Body AML Nearly perpendicular to IR with 30 cephalic angle directed midway b/w TMJ’s
Created by: scones and joe
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