BACKGROUND: Local recurrence of rectal cancer after curative surgery predicts patients' prognosis. The correlation between the exact anatomic location of tumour recurrence and patients' survival is still under debate. Thus, this study aimed to investigate the impact of the exact location of recurrent rectal cancer on post-operative morbidity and survival. METHODS: This is a retrospective study including 90 patients with locally recurrent rectal cancer. The location of tumour recurrence was classified into intraluminal and extraluminal recurrence. Univariate and multivariable Cox regression analyses were used to determine the impact on post-operative morbidity and survival. RESULTS: Patients' survival with intraluminal recurrence was significantly longer compared to patients with extraluminal recurrence (p = 0.027). Curative resection was associated with prolonged survival in univariate and multivariable analyses (p = 0.0001) and was more often achieved in patients with intraluminal recurrence (p = 0.024). Survival of curative resected patients with intraluminal recurrence was significantly longer compared to curatively resected patients with extraluminal recurrence (p = 0.0001). The rate of post-operative morbidity between intraluminal and extraluminal recurrence was not statistically different (p = 0.59). CONCLUSION: Based on the present investigation, intraluminal recurrence is associated with superior outcome. Post-operative morbidity did not differ significantly between both groups.
BACKGROUND: Local recurrence of rectal cancer after curative surgery predicts patients' prognosis. The correlation between the exact anatomic location of tumour recurrence and patients' survival is still under debate. Thus, this study aimed to investigate the impact of the exact location of recurrent rectal cancer on post-operative morbidity and survival. METHODS: This is a retrospective study including 90 patients with locally recurrent rectal cancer. The location of tumour recurrence was classified into intraluminal and extraluminal recurrence. Univariate and multivariable Cox regression analyses were used to determine the impact on post-operative morbidity and survival. RESULTS:Patients' survival with intraluminal recurrence was significantly longer compared to patients with extraluminal recurrence (p = 0.027). Curative resection was associated with prolonged survival in univariate and multivariable analyses (p = 0.0001) and was more often achieved in patients with intraluminal recurrence (p = 0.024). Survival of curative resected patients with intraluminal recurrence was significantly longer compared to curatively resected patients with extraluminal recurrence (p = 0.0001). The rate of post-operative morbidity between intraluminal and extraluminal recurrence was not statistically different (p = 0.59). CONCLUSION: Based on the present investigation, intraluminal recurrence is associated with superior outcome. Post-operative morbidity did not differ significantly between both groups.
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