Wasp-waist sign (spine)

The wasp-waist sign is a radiographic appearance seen in patients with Klippel Feil syndrome. It results from fusion of the vertebral bodies such that the anteroposterior diameter at the level of the affected discovertebral joint is smaller than the diameter at the superior and inferior limits of the vertebrae adjacent to uninvolved discs.

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Article information

rID: 13166
Section: Signs
Synonyms or Alternate Spellings:
  • Wasp waist sign

Cases and figures

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     Case 1
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    Case 2a: x-ray
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    Case 2b: CT
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