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Infantile hypertrophic pyloric stenosis: Does size really matter?

  1. Peter Hsu,
  2. Jan Klimek,
  3. Ralph Nanan

Article first published online: 27 JUN 2010

DOI: 10.1111/j.1440-1754.2010.01778.x

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How to Cite

Hsu, P., Klimek, J. and Nanan, R. (2010), Infantile hypertrophic pyloric stenosis: Does size really matter?. Journal of Paediatrics and Child Health. doi: 10.1111/j.1440-1754.2010.01778.x

Author Information

  1. Discipline of Paediatrics, Sydney Medical School-Nepean, The University of Sydney, Kingswood, New South Wales, Australia

*Professor Ralph Nanan, Sydney Medical School-Nepean, The University of Sydney, Derby Street, Kingswood, NSW 2747, Australia. Fax: (02)47342561; email: ralphn@med.usyd.edu.au

Publication History

  1. Article first published online: 27 JUN 2010
  2. Accepted for publication 21 December 2009.

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Keywords:

  • Infantile hypertrophic pyloric stenosis (IHPS);
  • ultrasound;
  • prematurity

Abstract

Pyloric stenosis is a common infantile disorder typically occurring between 2 weeks and 8 weeks of age. Presentation outside this range and in premature infants is uncommon and often atypical. We present three cases, a pair of premature twins and a 5.5-month-old infant with pyloric stenosis. We highlight that despite their difference in size and weight, ultrasound examination remains a reliable diagnostic tool. However, pyloric measurements should be interpreted in combination with the other dynamic features on ultrasound.

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