Original ArticlesBilateral Cervical Spondylolysis With Concurrent Atlantoaxial Instability: A Case ReportSong, Ji-Soo MD*; Taghavi, Cyrus E. MD†; Song, Kyung-Jin MD‡; Lee, Kwang-Bok MD‡Author Information Departments of *Radiology ‡Orthopaedic Surgery, Research Institute of Clinical Medicine, Chonbuk National University Medical School, Chonbuk National University Hospital, Jeonju, Korea †Department of Orthopaedic Surgery, University of California at Davis Medical Center, Sacramenta, CA The authors declare no conflict of interest. Reprints: Kwang-Bok Lee, MD, PhD, Department of Orthopedic Surgery, Chonbuk National University School of Medicine, Chonbuk National University Hospital, 634-18 Keumam-dong, Jeonju-shi, Chonbuk-do, South Korea (e-mail: email@example.com). Neurosurgery Quarterly: August 2011 - Volume 21 - Issue 3 - p 207-209 doi: 10.1097/WNQ.0b013e318215c716 Buy Metrics Abstract Cervical spondylolysis is an uncommon condition, which can be associated with spondylolisthesis or spina bifida. In this report we described a case involving an individual with both bilateral cervical spondylolysis and atlantoaxial instability. © 2011 Lippincott Williams & Wilkins, Inc.