Spine Segmentation and Enumeration and Normal Variants

Gaurav K. Thawait, Avneesh Chhabra, John A. Carrino

Research output: Contribution to journalReview articlepeer-review

20 Scopus citations


This article provides a comprehensive review of spine segmentation and enumeration. This important and relatively underappreciated issue, when neglected, frequently results in confusion in vertebral numbering and ultimately may result in wrong segment interventions. The authors supplement this topic with a discussion of normal variants.

Original languageEnglish (US)
Pages (from-to)587-598
Number of pages12
JournalRadiologic clinics of North America
Issue number4
StatePublished - Jul 2012


  • Spine congenital variants
  • Spine variation
  • Transitional vertebra
  • Vertebral enumeration

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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