Fluoroscopic images of L2 after intrathecal injection of contrast material and placement of an 11-gauge trocar in the right pedicle.A, Anteroposterior.

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A and B, Anteroposterior (A) and lateral (B) radiographs after contrast injection. A and B, Anteroposterior (A) and lateral (B) radiographs after contrast.

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Presentation transcript:

Fluoroscopic images of L2 after intrathecal injection of contrast material and placement of an 11-gauge trocar in the right pedicle.A, Anteroposterior view. Fluoroscopic images of L2 after intrathecal injection of contrast material and placement of an 11-gauge trocar in the right pedicle.A, Anteroposterior view. Contrast medium shows the proximity of the right nerve root sheath to the trocar and appropriate placement of the trocar.B, Lateral view. Contrast medium shows minimal canal compromise by posterior tumor extension but no nerve root compromise. John S. Sarzier, and Avery J. Evans AJNR Am J Neuroradiol 2003;24:1001-1002 ©2003 by American Society of Neuroradiology