Mr artifacts after anterior cervical diskectomy and fusion: A cadaver study

Victor E. Toro, Allan Goodrich, Douglas W. Lundy, Leon Meeks, Ramon E Figueroa Ortiz, Eugene F. Binet

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

Objective: To identify the source of metallic artifacts observed on cervical spine MR studies following anterior cervical diskectomy and fusion (ACD&F), preoperative and postoperative MR studies were done on cadavers using stan-dard spin echo Ti, T2, and GRASS imaging. Materials and Methods: An ACD&F was performed on each cadaver at var-ious levels using different combinations of drill burrs, curettes, and suction tips. Results: Results showed that contact between the drill burr and suction tip produced the worst artifacts; however, artifacts still occurred in cases in which the suction tip was not introduced. Conclusion: This observation suggests that metal flakes from the curettes also produced artifacts. Image distortion was greater on GRASS imaging than on the spin echo imaging.

Original languageEnglish (US)
Pages (from-to)696-699
Number of pages4
JournalJournal of Computer Assisted Tomography
Volume17
Issue number5
DOIs
StatePublished - Jan 1 1993

Keywords

  • Intervertebral disks
  • Magnetic resonance imaging
  • Spine

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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