| Coronally orientated (type 1) |
Coronally orientated fracture line through the body of C2, which may or may not leave the ring of the axis intact |
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| Unilateral oblique body fracture with contralateral pars fracture (type 2a) |
Unilateral oblique fracture through the C2 body extending into the canal, with contralateral fracture of the pars interarticularis |
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| Unilateral oblique body fracture with contralateral lamina fracture (type 2b) |
Unilateral oblique fracture through the C2 body with contralateral fracture of the lamina |
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| Typical hangman's fracture |
Bilateral fracture through the pars interarticularis of C2 with or without forward listhesis of the C2 body |
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