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skull · Lateral
Nasal Bones Lateral
Patient semi-prone or erect, head lateral.
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AI Patient · KV Sir
How to perform this view
- 01
Position head true lateral.
- 02
Use small IR, tight collimation.
- 03
CR 1-2 cm inferior to nasion.
- 04
Image both sides for comparison.
Anatomical & patient position
Patient: Patient semi-prone or erect, head lateral.
Part: MSP parallel to IR; IPL perpendicular.
Central ray & centring point
Perpendicular to nasal bones, 1-2 cm inferior to nasion.
Exposure factors
kVp
55-60 kVp
mAs
4-8 mAs
SID
100 cm
IR size
18 x 24 cm
Grid
No
Respiration
Suspended
Clinical indications
- Nasal bone fracture
Contraindications & precautions
- Suspected unstable spinal injury - do NOT move neck/spine; use cross-table lateral first and keep collar
Structures shown & evaluation criteria
- Nasal bones and soft tissue
- Anterior nasal spine