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Fig. 8D. —17-year-old girl injured in high-speed head-on crash with telephone pole who sustained bilateral type III avulsion occipital condyle fractures. T2-weighted MR image shows increased signal in right occipital condyle (double asterisks) and confirms bilateral occipitoatlantal and atlantoaxial joint widenings (single asterisks), equivalent to complete craniocervical dissociation.