Diagnosis

Intact posterior arch, innominate bone, Iliac wing fracture (AO/OTA 61A2) 

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Options
1. Iliac wing fracture 
2. Unilateral anterior arch fractures 
3. Bilateral anterior arch fracture 

1. Iliac wing fracture 

Iliac wing fracture

These direct blow fractures of the iliac wing can be either simple or multifragmentary.
These are classified as AO/OTA 61A2.1 fractures.

2. Unilateral anterior arch fractures 

These fractures can involve:

  • Pubic bone and/or rami
  • Pubic bone and symphysis

These are classified as AO/OTA 61A2.2 fractures.

3. Bilateral anterior arch fracture 

These injuries can involve the:

  • Pubic rami (bilaterally)
  • Pubic rami on one side plus pubic symphysis

These are classified as AO/OTA 61A2.3 fractures.