Clinical indication:

Fracture, spondylolisthesis, bone lesion, osteoporosis, foreign body

Region:

Intervertebral foramina L1 to L4, vertebral bodies, intervertebral joints, spinous processes, and L5 to S1 junction

Patient’s Position:

Position the patient in lateral recumbent position.

Place a pillow below the patient’s head and knee flexed

Both hands are flexed at right angle to the chest

Make sure that there is no rotation of pelvis and torso

Align mid coronal plane to the midline of the table

Cassette:

Size: 14’’x17’’ Orientation: Portrait

FFD/SID:

100cm

Central ray:

Central ray is 2.5cm above the iliac crest and perpendicular to IR

Grid:

Yes

Respiration:

Not related

Exposure factors:

70-80kVp 60-90mAs

Collimation:

Superiorly include the T12/L1 junction, inferiorly include sacral region and anteriorly to include the anterior border of lumbar vertebrae bodies posteriorly include spinous processes