Y sign (epidural lipomatosis)

Dr Derek Smith and Dr Andrew Dixon et al.

The Y sign refers to a common appearance in lumbar epidural lipomatosis where excess fat in the extradural space compresses the dural sac into the shape of the letter "Y". 

Article information

rID: 30345
Section: Signs
Synonyms or Alternate Spellings:
  • Y sign in epidural lipomatosis

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Cases and figures

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