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Related Experiment Video

Updated: May 13, 2026

Caudal-to-cranial Approach in Laparoscopic Right Hemicolectomy with Complete Mesocolon Excision and D3 Lymph Node Dissection
06:46

Caudal-to-cranial Approach in Laparoscopic Right Hemicolectomy with Complete Mesocolon Excision and D3 Lymph Node Dissection

Published on: January 9, 2026

Redefining the apical lymph node at right hemicolectomy.

J S Gundara1, A J Gill, T J Hugh

  • 1Upper Gastrointestinal Surgical Unit, Royal North Shore Hospital, University of Sydney, St Leonards, NSW 2065, Australia. jgundara@med.usyd.edu.au

European Journal of Surgical Oncology : the Journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology
|March 27, 2013
PubMed
Summary
This summary is machine-generated.

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Defining the apical lymph node in colorectal cancer surgery is crucial for oncologic resection quality. We propose a new definition based on fixed anatomical landmarks to improve accuracy and patient outcomes.

Area of Science:

  • Surgical Oncology
  • Anatomical Pathology
  • Colorectal Cancer Research

Background:

  • Colorectal cancer incidence is rising in Western populations.
  • Current anatomical concepts for colorectal resection are static.
  • Pathological indices like lymph node yield are key to assessing oncologic resection quality.

Purpose of the Study:

  • To address the subjectivity in defining the apical lymph node in colorectal cancer resections.
  • To propose a novel, anatomically defined compartment for the apical lymph node.
  • To enhance the reliability of the apical lymph node as a marker for adequate oncologic resection.

Main Methods:

  • Review of current anatomical definitions and pathological indices for colorectal cancer resection.
  • Analysis of the limitations of the subjective definition of the apical lymph node.

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Last Updated: May 13, 2026

Caudal-to-cranial Approach in Laparoscopic Right Hemicolectomy with Complete Mesocolon Excision and D3 Lymph Node Dissection
06:46

Caudal-to-cranial Approach in Laparoscopic Right Hemicolectomy with Complete Mesocolon Excision and D3 Lymph Node Dissection

Published on: January 9, 2026

Single-port Non-liposuction Endoscopic Axillary Lymph Node Dissection in Breast Cancer Surgery
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  • Proposal of a new definition based on fixed anatomical landmarks, specifically the Trunk of Henle.

    • Main Results:

    • The current definition of the apical lymph node is highly subjective.
    • The apical node's position may not consistently align with anatomical resection boundaries.
    • A proposed new definition includes tissue inferolateral to the Trunk of Henle.

    Conclusions:

    • Re-defining the apical lymph node based on fixed anatomical landmarks is necessary.
    • The proposed definition offers a more objective and reproducible method for identifying the apical lymph node compartment.
    • This refinement aims to improve the assessment of oncologic resection adequacy in colorectal cancer surgery.