What is the van Overbeek system for staging Zenker diverticulum?

Updated: Oct 16, 2020
  • Author: Joel A Ernster, MD; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Criteria of the van Overbeek system are as follows:

  • Small sacs are less than 1 vertebral body in length

  • Intermediate sacs are 1-3 vertebral bodies in length

  • Large sacs are greater than 3 vertebral bodies in length

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