Y sign (epidural lipomatosis)

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".

NB: Y sign also refers to the appearance of incudomalleolar disarticulation on CT, more commonly known to radiologists as the broken heart sign.

Inspired signs

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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