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Polypoid arteriovenous malformation in the jejunum of a child that mimics intussusception

Rodolfo Rodriguez-Jurado1, Sara Solórzano Morales

  • 1Department of Pathology, National Institute of Pediatrics, Mexico, DF CP 04830, Mexico. rrrj60@hotmail.com

Journal of Pediatric Surgery
|January 29, 2010
PubMed

Insights

Polypoid arteriovenous malformations (AVMs) are rare vascular tumors. This case highlights a jejunal AVM in a child, presenting diagnostic challenges and unique imaging characteristics.

Area of Science:

  • Vascular Surgery
  • Pediatric Gastroenterology
  • Diagnostic Imaging

Background:

  • Polypoid arteriovenous malformations (AVMs) are exceedingly rare, particularly in the colon of adults, with limited documented cases.
  • The rarity of these lesions necessitates detailed case reports to improve understanding and diagnostic capabilities.

Observation:

  • A 6-year-old girl presented with a jejunal polypoid tumor initially suspected as intussusception based on sonogram and CT scan.
  • Histological examination revealed a complex vascular structure with numerous large ectatic veins and small arteries within the intestinal wall.

Findings:

  • Retrospective 3-dimensional angiographic reconstruction from a computed tomographic scan identified potential diagnostic imaging characteristics of this rare AVM.
  • The jejunal location and polypoid morphology in a pediatric patient are atypical presentations for AVMs.

Implications:

  • This case expands the known spectrum of AVM presentations, particularly in pediatric populations.
  • Enhanced imaging techniques like 3D angiography may prove crucial for the diagnosis of rare AVMs.
  • Further research into the clinical and morphological features of AVMs is warranted to improve patient management.

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