Toothpaste sign

Last revised by Dr Ian Bickle on 10 Sep 2020

The toothpaste sign in spinal imaging represents an extrusion of an intervertebral disc into the epidural space. It is called after the shape of extruded material relatively to the parent disc in a sagittal plane.

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Cases and figures

  • Figure 1: squeezed toothpaste
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  • Case 1
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  • Case 2
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  • Case 3
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  • Case 4
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  • Case 5
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  • Case 6
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