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Related Experiment Video

Updated: Jan 20, 2026

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Mesenteric Venous Malformation Case Report in an Adolescent With Midgut Volvulus.

Yeu Sanz Wu1, Philip J Katzman2, Suzie A Noronha3

  • 1Department of Surgery, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, New York, USA, rochester.edu.

Case Reports in Surgery
|January 19, 2026
PubMed
Summary

A rare mesenteric venous malformation caused a small bowel obstruction in an adolescent. Surgical resection was successful, highlighting the importance of considering vascular anomalies in abdominal emergencies.

Keywords:
case reportcongenital vascular malformationhemangiomaintra-abdominal cystmesenteric venous malformationvolvulus

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Area of Science:

  • Vascular Surgery
  • Gastroenterology
  • Pediatric Surgery

Background:

  • Congenital vascular malformations affect ~1.5% of the population but are difficult to precisely incidence due to heterogeneity and varied terminology.
  • Vascular anomalies can involve any vessel type (capillary, lymphatic, venous, arterial) and occur anywhere in the body.
  • Mesenteric vascular malformations presenting as gastrointestinal (GI) obstruction are exceptionally rare.

Purpose of the Study:

  • To report an unusual case of a mesenteric vascular malformation causing midgut volvulus and small bowel obstruction in an adolescent.
  • To emphasize the importance of including vascular anomalies in the differential diagnosis for pediatric patients with abdominal pain and obstruction.
  • To advocate for standardized terminology in reporting vascular anomalies to improve diagnosis and research.

Main Methods:

  • Case report of an adolescent patient.
  • Diagnostic workup including emergent laparotomy.
  • Surgical resection of the affected segment of small bowel and the mesenteric lesion.
  • Pathological examination of the resected specimen.

Main Results:

  • An adolescent presented with symptoms of small bowel obstruction due to midgut volvulus.
  • Emergent laparotomy revealed a large, cystic intra-abdominal lesion.
  • Pathology confirmed the lesion as a mesenteric venous malformation.

Conclusions:

  • Mesenteric vascular anomalies are uncommon but critical considerations in pediatric patients with small bowel obstruction or intra-abdominal masses.
  • Prompt diagnosis and surgical intervention are crucial for managing such rare presentations.
  • Standardized reporting of vascular anomalies is essential for advancing clinical understanding and research.