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Related Experiment Video

Updated: Jun 27, 2026

The Role of Anatomical Dissection in Defining Colic and Small Bowel Artery Lymphovascular Bundles in the D3 Volume of Small and Large Bowel Mesentery
05:43

The Role of Anatomical Dissection in Defining Colic and Small Bowel Artery Lymphovascular Bundles in the D3 Volume of Small and Large Bowel Mesentery

Published on: August 1, 2025

An Imaging-Based LIE Classification for Risk Stratification of Resectability in Pediatric Abdominal Lymphatic

Suhyeon Ha1, Dae Yeon Kim1, Yu Jeong Cho2

  • 1Department of Pediatric Surgery, Asan Medical Center, Children's Hospital, University of Ulsan College of Medicine, Seoul 05505, Republic of Korea.

Children (Basel, Switzerland)
|June 26, 2026
PubMed
Summary

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A new scoring system, LIE (Location, Intestinal involvement, Extent), helps predict surgical risks for pediatric abdominal lymphatic malformations. This tool aids in planning complex surgeries for these rare vascular anomalies.

Area of Science:

  • Pediatric Surgery
  • Vascular Anomalies
  • Medical Imaging

Background:

  • Abdominal lymphatic malformations (ALM) are rare, complex pediatric vascular anomalies.
  • Current classifications lack predictive power for surgical resectability.
  • Challenging anatomy necessitates improved preoperative risk assessment.

Purpose of the Study:

  • To develop and validate the LIE scoring system for preoperative risk stratification of pediatric ALM.
  • To correlate LIE scores with surgical resectability and outcomes.
  • To provide a structured approach for surgical planning.

Main Methods:

  • Retrospective, multicenter cohort study of 59 pediatric ALM patients (2010-2024).
  • Development of the LIE score based on Location, Intestinal involvement, and Extent from preoperative imaging.
Keywords:
abdominal lymphatic malformationchildrenmagnetic resonance imagingpediatric surgeryrisk stratificationsurgical resectability

Related Experiment Videos

Last Updated: Jun 27, 2026

The Role of Anatomical Dissection in Defining Colic and Small Bowel Artery Lymphovascular Bundles in the D3 Volume of Small and Large Bowel Mesentery
05:43

The Role of Anatomical Dissection in Defining Colic and Small Bowel Artery Lymphovascular Bundles in the D3 Volume of Small and Large Bowel Mesentery

Published on: August 1, 2025

  • Analysis of resection rates, incomplete excision, and adjunctive therapy use across score categories (0-5).

    • Main Results:

    • Complete resection rates declined significantly with increasing LIE scores (85.7% to 25%; p=0.003).
    • Higher LIE scores correlated with increased risk of incomplete excision (OR 5.75).
    • Extent and intestinal involvement were key predictors of incomplete excision; AUC was 0.62.

    Conclusions:

    • The LIE scoring system offers a practical framework for preoperative risk stratification in pediatric ALM.
    • The system reflects operative complexity and aids surgical planning and patient counseling.
    • While predictive performance is modest, it enhances understanding of surgical challenges.