Diagnosis

61-C2 Complete and contralateral incomplete posterior disruption

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1. 61-C2.1 Ipsilateral injury completely unstable through the ilium (C1.1 - type), contralateral injury partially stable (B1 or B2 - type)
2. 61-C2.2 Ipsilateral injury completely unstable through the SI joint (C1.2 - type), contralateral partially stable (B1 or B2 - type)
3. 61-C2.3 Ipsilateral injury completely unstable through the sacrum (C1.3 - type), contralateral partially stable (B1 or B2 - type)

1. 61-C2.1 Ipsilateral injury completely unstable through the ilium (C1.1 - type), contralateral injury partially stable (B1 or B2 - type)

Posterior ipsilateral injury

Posterior contralateral injury

Anterior injury

Posterior ipsilateral injury
This is a complete fracture through the ilium.

Posterior contralateral injury
The contralateral posterior arch injury is any of type B1 or B2 (rotational, partially unstable)

Anterior injury
The anterior injury is one or more of the following:

  • Symphyseal disruption
  • Pubis fracture
  • Ramus fractures

2. 61-C2.2 Ipsilateral injury completely unstable through the SI joint (C1.2 - type), contralateral partially stable (B1 or B2 - type)

Posterior ipsilateral injury

Posterior contralateral injury

Anterior injury

Posterior ipsilateral injury
Ipsilateral injuries are completely unstable injuries through the SI joint:

  • Transiliac fracture-dislocation (crescent fracture) with complete S-I displacement
  • Pure SI dislocation

Posterior contralateral injury
The contralateral posterior arch injury is any of type B1 or B2 (rotational, partially unstable).

Anterior injury
The anterior injury is one or more of the following:

  • Symphyseal disruption
  • Pubis fracture
  • Ramus fractures

3. 61-C2.3 Ipsilateral injury completely unstable through the sacrum (C1.3 - type), contralateral partially stable (B1 or B2 - type)

Posterior ipsilateral injury

Posterior contralateral injury

Anterior injury

Posterior ipsilateral injury
Ipsilateral injuries are complete vertical fractures through the sacrum.

Posterior contralateral injury
The contralateral posterior arch injury is any of type B1 or B2 (rotational, partially unstable)

Anterior injury
The anterior injury is one or more of the following:

  • Symphyseal disruption
  • Pubis fracture
  • Ramus fractures