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Local recurrence after sphincter-saving resection for rectal adenocarcinoma
J Warneke1, N J Petrelli, L Herrera
1Department of Surgical Oncology, Roswell Park Memorial Institute, Buffalo, New York 14263.
American Journal of Surgery
|July 1, 1989
Summary
Sphincter-saving resections for rectal adenocarcinoma can lead to local recurrence, particularly when margins are close or tumors are low. Careful surgical planning is crucial for minimizing recurrence risk in rectal cancer patients.
Area of Science:
- Oncology
- Surgical Oncology
- Gastrointestinal Surgery
Background:
- Rectal adenocarcinoma treatment often involves sphincter-saving resections.
- Local pelvic-perineal recurrence remains a significant concern after such procedures.
- Long-term follow-up is essential for understanding recurrence patterns.
Purpose of the Study:
- To evaluate the incidence and patterns of local pelvic-perineal recurrence.
- To identify risk factors associated with local recurrence after sphincter-saving resection for rectal cancer.
- To assess outcomes for patients experiencing local recurrence.
Main Methods:
- Retrospective analysis of 40 patients undergoing sphincter-saving resection for rectal adenocarcinoma.
- Minimum follow-up of 5 years or until death.
- Evaluation of surgical margins and tumor location relative to the anal verge.
Main Results:
- A local recurrence rate of 23% (7 of 31) was observed in patients with curative resections.
- Local recurrence was more frequent with distal margins < 2 cm (4/8 patients) compared to > 2 cm (3/19 patients).
- Tumors located < 10 cm from the anal verge had a higher likelihood of local recurrence.
Conclusions:
- Sphincter-saving resection for rectal adenocarcinoma carries a risk of local recurrence.
- Surgical margins and tumor proximity to the anal verge are critical factors influencing recurrence.
- Further resection can offer survival benefits for select patients with local recurrence.