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Changes in the Appendicular Skeleton with Age01:09

Changes in the Appendicular Skeleton with Age

The upper and lower limb initially develops as a small bulge called a limb bud, which appears on the lateral side of the early embryo. The upper limb bud appears near the end of the fourth week of development, with the lower limb bud appearing shortly after.
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Intestinal nonrotation in an adolescent.

Maria Carmen G Diaz1, Kirk Reichard, Alexandra A Taylor

  • 1Division of Emergency Medicine, Department of Pediatrics, Alfred I. duPont Hospital for Children, Wilmington, DE19899, USA. mcdiaz@nemours.org

Pediatric Emergency Care
|April 17, 2009
PubMed
Summary
This summary is machine-generated.

Nonrotation of the intestine is a rare congenital anomaly from embryonic development errors. This condition often remains undiagnosed until adulthood, frequently discovered incidentally during other medical evaluations.

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Area of Science:

  • Gastroenterology
  • Embryology
  • Pediatric Surgery

Background:

  • Nonrotation of the intestine is a rare congenital anomaly originating from errors during the second stage of embryonic alimentary tract development.
  • This condition often remains asymptomatic and undiagnosed for years, presenting as an incidental finding during investigations for other medical issues.

Observation:

  • The study details a case of a 17-year-old adolescent female diagnosed with intestinal nonrotation.
  • The patient's presentation was incidental, discovered during the evaluation for an unrelated condition.

Findings:

  • Computed tomography (CT) is a valuable diagnostic tool for identifying intestinal nonrotation.
  • CT imaging may reveal characteristic signs such as an inverse relationship between the superior mesenteric artery and vein, and abnormally positioned bowel loops.

Implications:

  • Early diagnosis of intestinal nonrotation can prevent potential complications such as midgut volvulus or obstruction.
  • Understanding the embryological basis and diagnostic imaging features is crucial for timely intervention in affected individuals.
  • This case highlights the importance of recognizing rare congenital anomalies even when presenting incidentally in adolescents.