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Dysplastic dens of the axis: case report
M Payer1, P Bijlenga, J Delavelle
1Department of Neurosurgery, University Hospital of Geneva, Geneva, Switzerland. mpayer@hotmail.com
Summary
A rare case of dysplastic dens axis orientation in a bicycle accident patient highlights the importance of considering congenital anomalies in cranio-cervical junction trauma evaluations.
Area of Science:
- Orthopedics
- Radiology
- Anatomy
Background:
- Cranio-cervical junction injuries require careful radiological assessment.
- Congenital anomalies can predispose individuals to injury.
- Dysplasia of the axis (the second cervical vertebra) is a rare condition.
Observation:
- A bicycle accident patient presented with cervical spine trauma.
- Radiological evaluation revealed an oblique orientation of the dens axis.
- No other bony or soft tissue anomalies or instability were identified.
Findings:
- The oblique orientation of a dysplastic dens axis is a previously unreported finding in the literature.
- This specific anomaly was noted in the context of trauma.
Implications:
- Highlights the need to consider congenital cranio-cervical junction anomalies in trauma patients.
- May influence diagnostic and management strategies for cervical spine injuries.
- Underscores the importance of detailed radiological interpretation in cases of head and neck trauma.