Lumbar Spine

Sacrum And coccyx

Views

AP Lateral

Lateral Spot AP sacrum AP coccyx

Lateral sacrum and coccyx

AP L-Spine

14 x 17 lengthwise Marker 80 @ 15 Measures 17 Expiration Shielding

AP Positioning

Patient supine on table Patients midline with midline of table Knee flexed (optional) Arms at side or up out of the way No rotation Collimate on lateral borders of spine

CR perpendicular to crest SID 40

Seen on Radiograph

Entire Lumbar spine Intervertebral joint spaces

Spinous and transverse processes SI joints Sacrum

Lateral Lumbar

14 x17 lengthwise Marker 90 @ 50 Expiration

Lateral Lumbar Positioning

Patient rolled up on left side Knees flexed and on top of each other Align mid-coronal plane to mid-line of table True lateral position with no rotation Scapula and hips straight

CR perpendicular and centered crest SID 40

Seen on film

Intervertebral foramina L1-L4 L4-S1 Junction Spinous processes

Spot

8 x10 lengthwise 100 @ 50 Marker Measures 31 Hold breath Collimate to area of interest

Spot Positioning

Same as the lateral You do not have to move patient You angle your tube

CR is angled 5-10 degrees caudad SID 40

1 ½ inches below crest

Seen on Film

An open L4-L5 space L5-S1

Sacrum and Coccyx

3 views, 2 AP’S & lateral 10 x 12 lengthwise Shield on Males Marker Expiration Collimate to area of interest 80@15 for AP’s 90@55 for lateral

AP Sacrum

Patient supine Align midline of body to midline of table Patient flat with no rotation

Patient in the same position as AP L-spine

CR angled 15 degrees cephlald SID 40Midway between ASIS and Symphsis Pubis

Seen on Film

AP projection of sacrum SI joints L5-S1 Junction

AP Coccyx

Patient in same positioning Angle the other way

CR angled 10 degrees caudad SID 402 inches above Symphsis Pubis

Seen on Film

Coccyx free of imposition

Lateral Sacrum and coccyx

Position patient on side like the Lateral L-spine

Align sacrum and coccyx to midline of table

CR Perpendicular to IR SID 403 inches posterior to ASIS

Seen on Film

Lateral view of sacrum and coccyx L5-S1 joint