Antral nipple sign (pyloric stenosis)

Last revised by Dr Mostafa El-Feky on 19 Aug 2020

The antral nipple sign refers to redundant pyloric mucosa protruding into the gastric antrum and is seen in hypertrophic pyloric stenosis on ultrasound examination.

See also

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Cases and figures

  • Case 1: longitudinal image
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  • Case 2
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  • Case 3
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