Pyloric stenosis ultrasound: Difference between revisions
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Created page with "__NOTOC__ {{Pyloric stenosis}} {{CMG}} ==Overview== ==Ultrasound== *USG demonstrates the thickened prepyloric antrum bridging the duodenal bulb and distended stomach. *Dem..." |
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Revision as of 18:30, 12 July 2016
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Pyloric stenosis Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Pyloric stenosis ultrasound On the Web |
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American Roentgen Ray Society Images of Pyloric stenosis ultrasound |
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Risk calculators and risk factors for Pyloric stenosis ultrasound |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief:
Overview
Ultrasound
- USG demonstrates the thickened prepyloric antrum bridging the duodenal bulb and distended stomach.
- Demonstration of the pylorus is achieved by identifying the duodenal cap, distended stomach, and intervening pyloric channel.
- In patients with IHPS, the muscle is hypertrophied to a variable degree, and the intervening mucosa is crowded, thickened to a variable degree, and protrudes into the distended portion of the antrum (nipple sign) and can be seen filling the lumen on transverse sections.
- The length of the hypertrophied canal is variable and may range from as little as 14 mm to more than 20 mm.
- The numeric value for the lower limit of muscle thickness has varied in reports in the literature, ranging between 3.0 and 4.5 mm.
- The actual numeric value is less important than the overall morphology of the canal and the real-time observations.
(Images courtesy of RadsWiki)
