Hyperattenuating ring sign (epiploic appendagitis)

The hyperattenuating ring sign is a sign that has been described with epiploic appendagitis and refers to a hyperattenuating ring of visceral peritoneum surrounding an inflamed epiploic appendage 1. On CT it can be seen as a ring of soft tissue surrounding a region of fat attenuation adjacent to the colon.

Article information

rID: 28789
Section: Signs
Synonyms or Alternate Spellings:
  • Hyperattenuating ring sign in epiploic appendagitis
  • Hyperattenuating ring sign - epiploic appendagitis

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Cases and figures

  • Case 1
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  • Case 2: Acute epiploic appendagitis
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