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spine · Lateral
Thoracic Spine Lateral
Patient in left lateral recumbent, arms raised at right angles.
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AI Patient · KV Sir
How to perform this view
- 01
Lay patient left side down.
- 02
Raise arms to 90 deg.
- 03
Support waist so spine is parallel.
- 04
CR to T7, angle 10-15 deg cephalad if spine not parallel.
- 05
Use breathing technique.
Anatomical & patient position
Patient: Patient in left lateral recumbent, arms raised at right angles.
Part: Spine parallel to table (pad under waist); knees flexed.
Central ray & centring point
Perpendicular to T7 at mid-coronal plane (or 10-15 deg cephalad).
Exposure factors
kVp
80-90 kVp
mAs
30-50 mAs
SID
100 cm
IR size
35 x 43 cm
Grid
Yes
Respiration
Breathing technique (blurs ribs)
Clinical indications
- Compression fractures
- Kyphosis, disc space evaluation
Contraindications & precautions
- Pregnancy (relative) - confirm LMP / 10-day rule, justify exposure and shield where possible
- Suspected unstable spinal injury - do NOT move neck/spine; use cross-table lateral first and keep collar
Structures shown & evaluation criteria
- T3-T12 vertebral bodies
- Intervertebral foramina