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[Errors and risks in oncologic laparoscopic surgery]
F Köckerling1, M A Reymond, C Schneider
1Chirurgische Klinik und Poliklinik, Universität Erlangen-Nürnberg.
Summary
Laparoscopic colorectal surgery poses oncological risks like port site metastases, primarily due to mechanical contamination. Careful precautions can mitigate these risks, but long-term oncological outcomes require further study in clinical trials.
Area of Science:
- Surgical Oncology
- Minimally Invasive Surgery
Context:
- Laparoscopic colorectal surgery is increasingly used for curative intent.
- Potential oncological challenges include port site metastases and inadequate radicality.
- Tumor cell seeding during specimen retrieval is a significant concern.
Purpose:
- To review oncological problems associated with laparoscopic colorectal surgery.
- To investigate the pathogenesis of port site metastases.
- To assess the oncological radicality and lymph node yield compared to conventional surgery.
Summary:
- Port site metastases in laparoscopic colorectal surgery are primarily mechanical, caused by tumor cell contamination of instruments and the specimen.
- CO2 pneumoperitoneum appears to play a minimal role in metastasis development.
- Long-term data on oncological radicality and lymph node retrieval is limited, with potentially fewer nodes removed compared to open surgery.
Impact:
- Highlights the need for strict precautionary measures to mitigate port site metastases.
- Underscores the current limitations in assessing long-term oncological outcomes for laparoscopic colorectal procedures.
- Recommends limiting laparoscopic colorectal surgery to prospective clinical studies with defined indications due to potential pitfalls.