Mushroom sign (pyloric stenosis)

The mushroom sign (also called umbrella sign) is a radiological sign described in pyloric stenosis on barium examination.

This sign refers to the impression made by the hypertrophic pylorus on the duodenal cap.

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Article information

rID: 22050
Section: Signs
Tag: cases
Synonyms or Alternate Spellings:
  • Umbrella sign (pyloric stenosis)
  • Mushroom sign

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Cases and figures

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