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Surg Neurol Int. 2017 Jan 19;8:7. doi: 10.4103/2152-7806.198734. eCollection 2017.

True oblique axis fracture associated with congenital anomalies of the upper cervical spine: Case report of an unusual fracture pattern.

Author information

1
Section of Neurosurgery Hospital, CMQ Premiere, Puerto Vallarta, Mexico.

Abstract

BACKGROUND:

Acute traumatic axis fractures are common cervical spine injuries often caused by road accidents or falls. They are usually classified into three different types, namely, odontoid fractures, Hangman's fractures, and miscellaneous fractures. Congenital malformations of the craniovertebral junction (CVJ), although typically asymptomatic, may result in neural compression or instability, especially following trauma. Here, the authors present an unusual oblique axis fracture occurring in conjunction with several malformations of the upper cervical spine.

CASE DESCRIPTION:

Following a motor vehicle accident, a 25-year-old female's radiographic studies showed an oblique axis fracture involving both the anterior and posterior elements along with an anterior and posterior Klippel-Feil syndrome (KFS) anomaly. Following treatment in a halo vest, the patient maintained alignment, and ultimately the fracture was fused.

CONCLUSIONS:

True oblique fractures of the axis are rare, as in the case presented, and may occasionally occur in conjunction with KFS of the upper cervical spine.

KEYWORDS:

C2 fracture; Klippel–Feil syndrome; craniovertebral congenital anomalies; miscellaneous axis fractures; oblique axis fracture

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