Posterior vertebral fusion anomalies

Dr Matt Skalski and Dr Henry Knipe et al.

Posterior vertebral fusion anomalies are relatively common and should not be mistaken for fractures. They are thought to be both developmental and pathological (e.g. spondylolysis) but are typically asymptomatic and incidental, and considered as anatomical variants. There are six types of posterior vertebral fusion anomalies:

Anatomy: Spine
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Article information

rID: 61764
Section: Gamuts, Anatomy
Tag: stub
Synonyms or Alternate Spellings:
  • Posterior neural arch defects
  • Posterior vertebral fusion anomaly

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Cases and figures

  • Figure 1: annotated CT
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  • Case 1: neurocentral synchondrosis
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  • Intrathecal contrast
    Case 2: retrosomatic cleft
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  • Case 3: spondylosis
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  • Case 4: retroisthmic cleft
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  • Case 5: spinous cleft
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