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Table 1 The incidence of different fracture patterns of Hangman’s fractures

From: Detailed observation of anatomical location and pattern in Hangman’s fracture based on computed tomography three-dimensional reconstruction

Fracture pattern

Subtype

N (%)

Anterior element

Anterior + anterior elements

Fractures of superior articular facet and/or posterior vertebral wall of C2 on different sides

38/18.1

Anterior + middle elements

One fracture of superior articular facet and/or posterior vertebral wall of C2 on one side and another through the C2 PIC on the other side

61/29.0

Anterior + posterior elements

One fracture of superior articular facet and/or posterior vertebral wall of C2 on one side and another through the contralateral inferior articular facet or lamina

79/37.6

Middle element

Middle + middle elements

Fractures PIC of C2 on different sides

13/6.2

Middle + posterior elements

One fracture through C2 PIC on one side and another through the contralateral inferior articular facet or lamina

19/9.0