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Clinical Application of Single-Surgeon, Three-Port, Laparoscopic Resection for Colorectal Cancer with Natural Orifice Specimen Extraction
Published on: March 24, 2023
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Lymph node harvest in single incision laparoscopic surgery for colorectal malignancy
A D Rink1, B Vestweber, C Paul
1Department of General Surgery, Leverkusen General Hospital, Leverkusen, Germany.
Summary
Single incision laparoscopic surgery (SILS) for colorectal cancer shows comparable lymph node harvest to traditional methods. This minimally invasive approach appears oncologically sound, supporting its use in colorectal adenocarcinoma treatment.
Area of Science:
- Colorectal Surgery
- Surgical Oncology
- Minimally Invasive Procedures
Background:
- Single incision laparoscopic surgery (SILS) requires further evaluation for oncological equivalence.
- Conventional laparoscopic and open surgery are established benchmarks for colorectal cancer treatment.
Purpose of the Study:
- To assess the oncological adequacy of SILS in colorectal adenocarcinoma.
- To compare lymph node harvest in SILS versus predicted yields from established models.
Main Methods:
- Analysis of 87 colorectal adenocarcinoma resections performed via SILS.
- Utilized the ACPGBI lymph node harvest model to predict expected lymph node yield.
- Compared predicted lymph node counts with actual counts from SILS specimens.
Main Results:
- SILS specimens yielded a median of 18 lymph nodes, significantly higher than the predicted median of 11 (P < 0.001).
- Lymph node harvest was consistently higher than predicted across all analyzed subgroups.
- No significant difference in lymph node yield compared to conventional surgery is implied.
Conclusions:
- Single incision laparoscopic surgery demonstrates comparable lymph node harvest to conventional open or laparoscopic surgery for colorectal cancer.
- SILS appears to be an oncologically viable option for colorectal adenocarcinoma resection.

