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Medical AI Inquiry: You was designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.  Labels: STUDY DESIGN, OBJECTIVE, SUMMARY OF BACKGROUND DATA, METHODS, RESULTS. Meshes: Cervical Vertebrae, Humans, Male, Middle Aged, Neck Pain, Spinal Fractures, Tomography, X-Ray Computed, Treatment Outcome, Young Adult.
user
Stage 4 compressive-extension injury of the cervical spine: a theoretical stage? Context: Case reports of stage 4 compressive-extension injury (CES-4). To present CES-4, which has been known as a theoretical stage. Compressive-extension stage 3 and 4 lesion has been considered as theoretical stages between the mild and advanced lesions of the compressive-extension phylogeny. Clinical and radiologic details are presented documenting the CES-4 injury. The authors have encountered 2 cases of CES-4 injury and in this study report the radiographic findings and describe the surgical treatment of the cases.
assistant
CES-4 is not a theoretical stage.