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Skull XRAY

Positioning for Skull X-rays

QuestionAnswer
What anatomy is demonstrated on a Lateral Skull Superimposed cranial halves, parietal bones, temporal bones, sella turcica, dorsum sellae, anterior & posterior clinoids, all 4 sinuses; EAMs, mandibular rami,bodies & TMJs superimposed (no rotation,nor tilt); orbital roofs;
Where should you center for a Lateral Skull? CR is perpendicular to IR, enters 2" superior to EAM
What anatomy is demonstrated on an AP Axial Townes Skull Occipital bone, Petrous Pyramids, Dorsum Sellae & Posterior clinoids within Foramen Magnum.
What anatomy is demonstrated on a PA Caldwell Skull Frontal Bone, Crista Galli, Internal Auditory Canals, Frontal Sinuses, Superior Orbital Fissures, SOMs; Petrous Pyramids in LOWER 1/3 of Orbits.
What anatomy is demonstrated on a PA Skull? Frontal Bone, Crista Galli, Internal Auditory Canals, Ethmoid Sinuses, Petrous Ridges, Petrous Pyramids FILL the Orbits.
Where should you center for a PA Caldwell Skull? CR is angled 15 degrees Caudal, exits nasion
What is the proper patient position for a Lateral Skull? Interpupillary line is perpendicular tot he IR; midsagittal plane of head is parallel to IR; adjust neck sothat IOML is perpendicular to the front edge of the IR.
Where should you center for a PA Caldwell Skull? Nose & Forehead against IR; OML perpendicular to IR.
Where should you center for an AP Caldwell? CR is angled 15 degrees cephalad. Exits nasion.
What is the proper patient position for a PA Skull? Nose & Forehead against IR; OML perpendicular to IR.
Where should you center for a PA Caldwell Skull? The CR is perpendicular to the IR; exits the Glabella.
Where should you center for an AP Axial Townes Skull? The CR is angled 30 degrees Caudal; enters 2.5" above Glabella 37 degrees Caudal if IOML is perpendicular to IR
What is the proper patient position for an AP Axial Townes Skull? Chin depressed until OML is perpendicular to IR, (IOML should be perpendicular to IR if patient cannot tuck chin)
Created by: ABIGAILDRAKE1984