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The Skull
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Things to know 3 views AP AP axial Lateral
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AP 10 X 12 lengthwise 18 Shield Marker Hold breath
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Positioning Patient Supine on table
Flex neck until the OML is perpendicular to IR Mid line to Mid line No rotation or tilt
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CR perpendicular Enter at Glabella SID 40 Collimate to outer skull
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Seen on Film Frontal bone
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AP Towne 10 X 12 lengthwise 20 Shield Marker Hold breath
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Positioning Patient supine on table Mid line to midline
Depress chin until OML is perpendicular to IR No rotation or titling Ensure vertex of skull in light field
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CR 30 Degrees caudad 2 1/1 inches above the glabella SID 40
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Seen on film Occipital bone
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Lateral 10 x 12 Crosswise 80 @ 10 Shield Marker Hold breath
Collimate to skull margins
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Positioning Patient is prone on table
Turn head with side of interest near the IR Interpupillary line perpendicular to IR Mid-line to Mid-line No rotation or tilt Make sure the external occipital protuberance and the nasion or glabella is equal distance from table
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CR perpendicular to IR 2 inches above the EAM SID 40
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Seen on film Lateral cranium nearest IR Sella turcica in profile
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