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[Rectal carcinoma. Optimizing therapy by local excision].

A Heintz1, M Mörschel, T Junginger

  • 1Klinik und Poliklinik für Allgemein- und Abdominalchirurgie, Johannes Gutenberg-Universität Mainz.

Zentralblatt Fur Chirurgie
|July 27, 1999
PubMed
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For low-risk T1 rectal cancer, local excision offers similar survival to radical surgery but with fewer complications. High-risk T1 rectal cancer necessitates radical surgery due to higher recurrence rates with local excision.

Area of Science:

  • Colorectal Surgery
  • Surgical Oncology
  • Gastrointestinal Oncology

Background:

  • T1 rectal carcinomas represent early-stage disease.
  • Treatment decisions involve balancing oncologic outcomes with morbidity.
  • Local excision and radical surgery are primary treatment options.

Purpose of the Study:

  • To compare the outcomes of local excision versus radical surgery for T1 rectal cancer.
  • To evaluate complication rates, survival, and recurrence based on risk stratification.
  • To determine the optimal surgical approach for different risk groups of T1 rectal cancer.

Main Methods:

  • Retrospective analysis of 107 patients with T1 rectal carcinoma treated between 1985 and 1997.
  • Patients were categorized into "low risk" (n=83) and "high risk" (n=24) T1 groups.

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  • Outcomes assessed included complication rates, mortality, recurrence, and 5-year survival.

    • Main Results:

    • Local excision had a lower complication rate (3.3%) compared to radical surgery (19%).
    • No deaths occurred after local excision, versus 4.2% after radical surgery.
    • For "low risk" T1 carcinoma, 5-year survival was similar (79% vs. 81%, p=0.72).
    • High-risk T1 carcinoma showed 36% lymph node metastasis in radical surgery and 30% recurrence with local excision.

    Conclusions:

    • Local excision is a safe and effective treatment for "low risk" T1 rectal carcinoma with comparable survival to radical surgery and reduced complications.
    • Radical surgery is essential for "high risk" T1 rectal carcinoma to prevent recurrence.
    • Risk stratification is crucial for selecting the appropriate surgical modality in T1 rectal cancer.