Defined as those involving the<unk><unk>  only, without extension into the pedicle, lamina, or facet complex.
Are not associated with any ligamentous or structural injury that can contribute to spinal instability or spinal cord compromise.
Systematic literature review reveals 819 documented cases, with none requiring surgical intervention
Cervical fractures and dislocations
Atlanto-occipital dissociation
C1
Jefferson fracture
C1<unk>  anterior arch fracture
C1<unk>  posterior arch fracture
C2
Odontoid fracture
Hangman's fracture
C3-C7
Cervical burst fracture
Cervical spinous<unk>  fracture
Extension cervical teardrop fracture
Flexion cervical teardrop fracture
Anterior cervical wedge fracture
Cervical facet dislocation<unk> 
Thoracic and lumbar fractures and dislocations
Chance fracture
Thoracic burst fracture
Lumbar burst fracture<unk> 
Thoracic and lumbar compression fractures
Atlanto-occipital dissociation
C1
Jefferson fracture
C1<unk>  anterior arch fracture
C1<unk>  posterior arch fracture
C2
Odontoid fracture
Hangman's fracture
C3-C7
Cervical burst fracture
Cervical spinous<unk>  fracture
Extension cervical teardrop fracture
Flexion cervical teardrop fracture
Anterior cervical wedge fracture
Cervical facet dislocation<unk> 
Jefferson fracture
C1<unk>  anterior arch fracture
C1<unk>  posterior arch fracture
Odontoid fracture
Hangman's fracture
Cervical burst fracture
Cervical spinous<unk>  fracture
Extension cervical teardrop fracture
Flexion cervical teardrop fracture
Anterior cervical wedge fracture
Chance fracture
Thoracic burst fracture
Lumbar burst fracture<unk> 
Thoracic and lumbar compression fractures
Isolated transverse process fracture
Penetrating neck trauma
Anterior cervical wedge fracture
Blunt neck trauma
Lumbar burst fracture
Vertebral and carotid artery dissection
Radial styloid fracture
Strangulation