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contentuptodate· Content· item f30_9_30879

©2013 UpToDate ® Print Email C2 pedicle fractures: Hangman's fracture Traumatic spondylolysis of C2 (so-called "hangman's fracture") is an unstable injury that occurs when the cervicocranium (the skull, atlas, and axis functioning as a unit) is thrown into extreme hyperextension. Courtesy of Mary Hochman, MD