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C1 and C2 Fractures Above a Previous Fusion Treated with Internal Fixation without Fusion: A Case Report
Joshua M Kolz1, Sandra L Hobson, Bradford L Currier
1Department of Orthopaedic Surgery, Mayo Clinic, Rochester, Minnesota.
Case:
A 71-year-old woman sustained C1 lateral mass and type 2 odontoid fractures 3 years after C2-T2 anterior-posterior fusion. She was treated with C1-C4 instrumentation without fusion for 9 months followed by instrumentation removal to restore atlantoaxial motion. After instrumentation removal, she maintained clinically relevant cervical lateral bending, rotation, and flexion and extension.
Conclusion:
The loss of upper cervical motion after C1-C2 instrumented fusion may be debilitating for patients in the setting of previous subaxial cervical fusion. Temporary instrumentation without fusion may allow for preservation of upper cervical motion in patients with concomitant C1 and C2 fractures above a previous cervical fusion.
