Proposal of a new visual analogue scale to describe the extent of lymphadenectomy in right-sided colectomy for cancer—a prospective observational study - Summary - MDSpire

Proposal of a new visual analogue scale to describe the extent of lymphadenectomy in right-sided colectomy for cancer—a prospective observational study

  • By

  • F. Pfeffer

  • P. Kalgraff

  • K. B. Lygre

  • B. S. Nedrebø

  • H. M. Forsmo

  • September 2, 2025

  • 0 min

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Objective:

To address the lack of consensus on the extent of lymphadenectomy in right-sided colon cancer surgery by introducing a visual analogue scale based on vascular anatomy, which aims to standardize assessments and improve surgical outcomes.

Key Findings:
  • Radical right-sided colon cancer surgery, particularly complete mesocolic excision (CME), is associated with improved survival outcomes as evidenced by the study results.
  • D3 lymph node dissection shows a significant survival advantage over D2 dissection in advanced colon cancer, as demonstrated in our cohort.
  • Variability in definitions of lymphadenectomy undermines the assessment of surgical outcomes, highlighting the need for standardized measures.
Interpretation:

The introduction of a standardized visual analogue scale may enhance the objective assessment of lymphadenectomy extent, potentially improving surgical outcomes and facilitating research by providing a common framework for evaluation.

Limitations:
  • Lack of national consensus on the definitions of lymphadenectomy may affect the applicability of the findings to broader clinical practice.
  • The study is limited to a single institution, which may influence the generalizability of results and the diversity of patient demographics.
Conclusion:

Standardized definitions and further research are essential to fully understand the benefits of radical right-sided colon cancer surgery and optimize surgical techniques, with the visual analogue scale serving as a critical tool in this endeavor.

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