Lumbar Transitional Pseudoarthrosis Injection

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Procedure

Ultrasound

• Patient prone with pillow under pelvis
• Obtain transverse view of target injection site
• Identify lateral to the spinous process the multifidus muscle, facet joint, transverse process, iliac crest, and the pseudoarthrosis of the L5 transverse process with the iliac crest.
• Insert needle using an in-plane approach with an approximate angle of 45-60 degrees lateral to the facet joint, medial to lateral, into the pseudoarthrosis.

See images by Chen and colleagues.

See Also

Transitional Vertebral Anatomy