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Related Experiment Video

Updated: Jan 5, 2026

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[Does sentinel lymph node identification has indication in digestive cancers?]

Matthieu Faron1, Enora Laas2

  • 1Gustave-Roussy Cancer Campus, département de chirurgie viscérale oncologique, 114, rue Édouard-Vaillant, 94805 Villejuif cedex, France; Unité Inserm 1018 CESP Oncostat, Gustave-Roussy Cancer Campus, département de biostatistiques et épidémiologie, 114, rue Édouard-Vaillant, 94805 Villejuif cedex, France.

Bulletin Du Cancer
|October 20, 2019
PubMed
Summary
This summary is machine-generated.

Sentinel lymph node (SLN) mapping is underutilized in digestive cancers. While promising for early gastric and rectal cancers, its application in colon cancer remains limited due to low sensitivity.

Keywords:
Cancer de l’estomacCancer du côlonCancer du rectumColon cancerGanglion sentinelleGastric cancerRectal cancerSentinel lymph node

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Area of Science:

  • Surgical Oncology
  • Gastroenterology
  • Cancer Research

Background:

  • Sentinel lymph node (SLN) biopsy is a standard procedure in many cancers but not widely adopted for digestive cancers.
  • European guidelines do not currently recommend SLN biopsy for any digestive cancers.
  • Unique lymphatic vessel anatomy in digestive organs may contribute to its limited use.

Purpose of the Study:

  • To explore the potential and current status of sentinel lymph node mapping in various digestive cancers.
  • To identify emerging indications for SLN biopsy, particularly with advances in early cancer detection.
  • To evaluate the feasibility and efficacy of SLN mapping in specific digestive malignancies.

Main Methods:

  • Review of existing studies and clinical trials on sentinel lymph node mapping in digestive cancers.
  • Focus on dual-tracer techniques (isotopic and dye) for accurate SLN identification.
  • Analysis of data from early gastric cancer studies in Korea and Japan, and ongoing trials for rectal cancer.

Main Results:

  • SLN mapping is well-established for early gastric cancer, with ongoing trials evaluating oncological outcomes.
  • Potential for SLN biopsy in T1 low-rectum tumors exists, but requires further data.
  • SLN mapping shows low sensitivity and no surgical modification benefits in colon cancer.

Conclusions:

  • Sentinel lymph node mapping shows promise for early gastric and potentially low-rectum cancers, especially with early diagnosis.
  • The technique's utility in colon cancer is currently limited.
  • Further research and clinical trials are needed to establish SLN biopsy as a standard in specific digestive cancers.