Positioning of the skull for facial bones and orbits for Xray
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| show | The CR is perpendicular to the IR; exits mid-portion of downside orbit.
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| What anatomy is demonstrated on a PA Rheese View of the Orbits? | show 🗑
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| What is the proper patient position for a PA Rheese Orbits? | show 🗑
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| show | Nose & forehead against IR, OML perpendicular to IR.
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| show | Superimposed facial bones- greater wings of sphenoid, orbital roofs, zygomas, anterior & posterior clinoids , mandible, sella turcica, dorsum sellae & all 4 sinuses
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| Where should you center on an inferosuperior Tangential* of the zygomatic arches? | show 🗑
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| show | R & L Nasal bones with soft tissue structures, frontonasal suture, anterior nasal spine.
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| What is the proper patient position for an SMV Zygomatic Arches? | show 🗑
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| What anatomy is demonstrated on an SMV Zygomatic Arches? | show 🗑
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| show | 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.
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| Where should you center for a PA Waters Facial Bones? | show 🗑
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| What anatomy is demonstrated on an Inferosuperior Tangential Zygomatic Arches? | show 🗑
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| show | Chin against IR; MML perpendicular to IR; OML will form 37 degree angle to plane of IR
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| show | 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.
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| show | CR is perpendicular to IR; exits acanthion.
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| Where should you center for an SMV Zygomatic Arches? | show 🗑
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| What is the proper patient position for an Inferosuperior Tangential* Zygomatic Arches. | show 🗑
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| show | Orbital floors & entire orbital rim; petrous pyramids in lower half of maxillary sinuses.
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| Where should you center for a Lateral Nasal Bones? | show 🗑
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| show | Inferior orbital rim, maxillae, nasal septum, zygomatic arches, anterior nasal spine, maxillary sinuses; petrous pyramids inferior to maxillary sinuses.
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| show | Chin & Nose against IR; LML is perpendicular to IR; OML will form a 55 degree angle to plane of IR.
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| Where should you center for a Lateral Facial Bones? | show 🗑
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| show | CR is perpendicular to IR; enters 1/2" inferior to nasion.
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| What anatomy is demonstrated on a PA Caldwell Facial Bones? | show 🗑
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| show | CR is 15 degrees Caudal; exits nasion
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| show | CR is 15 degrees Cephalad
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| What anatomy is demonstrated on a Panorex Mandible? | show 🗑
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| Where should you center for a PA Mandible? | show 🗑
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| What position should the patient be in for an Axiolateral Oblique mandible? | show 🗑
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| show | The entire mandible, condyloid processes & tempromandibular fossae.
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| show | CR is 25 degrees Cephalad; enters mid-portion of mandible.
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| What position should the patient be in for a Panorex Mandible? | show 🗑
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| Where should you center for an AP Axial Townes Mandible? | show 🗑
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| show | One side of the mandible is free of superimposition
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| show | Tomogram (CR rotates in a sweep from one side of face to the other)
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| What anatomy is demonstrated on a PA Mandible? | show 🗑
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| show | Nose & forehead against IR; OML is perpendicular to IR
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| What is the proper patient position for an AP Axial Townes Mandible? | show 🗑
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