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Long-term morbidity following short-course, pre-operative radiotherapy and total mesorectal excision for rectal
A G Prabhudesai1, P Cornes, J P Glees
1Department of Colorectal Surgery, St Georges Hospital, London, UK.
Aim:
Short-course pre-operative radiotherapy (SCPRT) and total mesorectal excision (TME) have been shown to reduce the rate of relapse and improve survival in patients with rectal cancer. Concerns about morbidity have limited its application in some centres. The aim of this study was to assess long-term toxicity of pre-operative RT in patients with rectal cancer.
Methods:
Permanent toxicity was assessed in 20 patients who were alive >12 months after pre-operative RT (25Gy/ 5#), using a validated LENT SOMA scoring system. Ten patients with rectal cancer who had been operated on >12 months ago, but had not received pre-operative RT were assessed similarly.
Results:
Patients who had received SCPRT appeared to have a significantly higher rectal toxicity, urinary and male sexual dysfunction, compared with the controls. No significant difference was noted in female sexual dysfunction.
Conclusion:
The combination of pre-operative RT and TME appears to be associated with significant long-term toxicity. Better methods of staging the tumours may improve selection of patients for SCPRT.
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