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Facial Bones Orbits

Positioning of the skull for facial bones and orbits for Xray

QuestionAnswer
Where should you center for a PA Rheese View of the Orbits The CR is perpendicular to the IR; exits mid-portion of downside orbit.
What anatomy is demonstrated on a PA Rheese View of the Orbits? Optic foramen & canal; lateral orbit rim with optic foramen in lower outer quadrant of orbit.
What is the proper patient position for a PA Rheese Orbits? Head rotated 37 degrees with Nose, Cheek & Chin resting on IR; AML is perpendicular to the IR; midsagittal plane will form a 53 degree angle to IR
What is the proper patient position for a PA Caldwell Facial Bones? Nose & forehead against IR, OML perpendicular to IR.
What anatomy is demonstrated on a Lateral Facial Bones? Superimposed facial bones- greater wings of sphenoid, orbital roofs, zygomas, anterior & posterior clinoids , mandible, sella turcica, dorsum sellae & all 4 sinuses
Where should you center on an inferosuperior Tangential* of the zygomatic arches? CR is perpendicular to IR; skims mandibular ramus.
What anatomy is demonstrated on a Lateral Nasal Bones? R & L Nasal bones with soft tissue structures, frontonasal suture, anterior nasal spine.
What is the proper patient position for an SMV Zygomatic Arches? Neck extended & head back until IOML parallel to IR.
What anatomy is demonstrated on an SMV Zygomatic Arches? Inferosuperior view of both zygomatic arches.
What position should the patient be in for a Lateral Nasal Bones? Interpupillary line is perpendicular to IR; midsagittal plane of head parallel to IR; adjust neck so that IOML is perpendicular to the front edge of IR.
Where should you center for a PA Waters Facial Bones? CR is perpendicular to IR; exits acanthion.
What anatomy is demonstrated on an Inferosuperior Tangential Zygomatic Arches? Elongated inferosuperior view of one zygomatic arch.
What position should the patient be in for a PA Waters Facial Bones? Chin against IR; MML perpendicular to IR; OML will form 37 degree angle to plane of IR
What position should the patient be in for a Lateral Facial Bones? Interpupillary line is perpendicular to IR; midsagittal plane of head parallel to IR; adjust neck so that IOML is perpendicular to the front edge of IR.
Where should you center for a PA Modified Waters Facial Bones? CR is perpendicular to IR; exits acanthion.
Where should you center for an SMV Zygomatic Arches? CR is perpendicular to IR; enters 1.5" inferior to mandibular symphysis midway between zygoma.
What is the proper patient position for an Inferosuperior Tangential* Zygomatic Arches. Neck extended & head back until IOML parallel to IR; head rotated 15 degrees toward side of interest & tilted 15 degrees toward affected side.
What anatomy is demonstrated on a PA Modified Waters Facial Bones? Orbital floors & entire orbital rim; petrous pyramids in lower half of maxillary sinuses.
Where should you center for a Lateral Nasal Bones? CR is perpendicular to IR; enters 1/2" inferior to nasion.
What anatomy is demonstrated on a PA Waters Facial Bones? Inferior orbital rim, maxillae, nasal septum, zygomatic arches, anterior nasal spine, maxillary sinuses; petrous pyramids inferior to maxillary sinuses.
What is the proper patient position for a PA Modified Facial Bones? Chin & Nose against IR; LML is perpendicular to IR; OML will form a 55 degree angle to plane of IR.
Where should you center for a Lateral Facial Bones? CR is perpendicular to IR; enters zygoma, midway between outer canthus & EAM.
Where should you center for a Lateral Nasal Bones? CR is perpendicular to IR; enters 1/2" inferior to nasion.
What anatomy is demonstrated on a PA Caldwell Facial Bones? Orbital rim, maxillae, nasal septum, zygomas, frontal sinus, anterior nasal spine; petrous pyramids in lower 1/3 of orbits.
Where should you center for a PA Caldwell Facial Bones? CR is 15 degrees Caudal; exits nasion
Where should you center for a AP Caldwell Facial Bones? CR is 15 degrees Cephalad
What anatomy is demonstrated on a Panorex Mandible? Singular image of entire mandible, teeth, & TMJs
Where should you center for a PA Mandible? CR is perpendicular to IR; exits junction of lips.
What position should the patient be in for an Axiolateral Oblique mandible? Chin extended & head rotated laterally; (10-15 degree for a general survey, 30 degrees for body, 45 degrees for mentum)
What anatomy is demonstrated on an AP Axial Townes Mandible? The entire mandible, condyloid processes & tempromandibular fossae.
Where should you center for an Axiolateral Oblique Mandible? CR is 25 degrees Cephalad; enters mid-portion of mandible.
What position should the patient be in for a Panorex Mandible? Chin in holder with IOML parallel to the floor.
Where should you center for an AP Axial Townes Mandible? CR is 35-42 degrees Caudal; enters glabella (42-49 Caudal if IOML is perpendicular to IR)
What anatomy is demonstrated on an Axiolareral Oblique Mandible? One side of the mandible is free of superimposition
Where should you center for a Panorex Mandible? Tomogram (CR rotates in a sweep from one side of face to the other)
What anatomy is demonstrated on a PA Mandible? Entire mandible, rami, & lateral portions of body.
What is the proper patient position for a PA Mandible? Nose & forehead against IR; OML is perpendicular to IR
What is the proper patient position for an AP Axial Townes Mandible? Chin depressed until OML is perpendicular to IR (Use IOML if patient cannot tuck chin)
Created by: ABIGAILDRAKE1984
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