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Posterior pelvic exenteration for primary rectal cancer
G C Bannura1, A E Barrera, M A G Cumsille
1Department of Colorectal Surgery, Hospital Clinico San Borja Arriaran, Santiago, Chile. gbannura@vtr.net
Summary
Posterior pelvic exenteration (PPE) for rectal cancer increases operative time and complications, with a trend toward poorer survival. However, it offers a curative option for advanced cases invading reproductive organs.
Area of Science:
- Oncology
- Surgical Oncology
- Rectal Cancer Research
Background:
- Indications and prognosis for posterior pelvic exenteration (PPE) in rectal cancer are not well-defined.
- This study aimed to analyze the indications, complications, and long-term outcomes of PPE in primary rectal cancer patients.
Purpose of the Study:
- To evaluate the role and outcomes of posterior pelvic exenteration (PPE) in managing primary rectal cancer.
- To compare the results of PPE with standard resection in rectal cancer patients.
Main Methods:
- Retrospective review of patient demographics, tumor characteristics, and treatment variables.
- Comparison of outcomes between patients undergoing PPE and those receiving standard resection (non-PPE group).
- Analysis of morbidity, recurrence, and survival statistics.
Main Results:
- 30 women underwent PPE; 19 cases involved invasion of reproductive organs or rectovaginal septum.
- PPE group had longer operative times and higher morbidity (50% major morbidity) compared to the non-PPE group.
- Five-year survival for curative resections was 48% in the PPE group versus 62% in the non-PPE group, with a trend toward poorer prognosis.
Conclusions:
- Posterior pelvic exenteration (PPE) is associated with increased operative time, postoperative complications, and a trend toward poorer survival.
- Despite increased risks, PPE provides a potentially curative option for primary rectal cancer invading adjacent reproductive organs.