Anatomic midline marking during cervical arthroplasty with ProDisc-C: an alternative, simple, and reliable method: technical note.

Study Design: Retrospective study.

Objective: To report the results of a different, and previously undescribed, technique to anatomically mark the midline during cervical arthroplasty.

Summary Of Background Data: The ProDisc-C prosthesis should be implanted in the vertebral body midline.