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Local full-thickness excision for sessile adenoma and cT1-2 rectal cancer: long-term oncological outcome
Maria A Gascon1, Vicente Aguilella1, Tomas Martinez2
1Department of Surgery, "Lozano Blesa" University Hospital, San Juan Bosco 15, 50009, Saragossa, Spain.
Purpose:
We analyzed all patients who underwent local transanal surgery at our institution to determine oncological outcomes and perioperative risk.
Methods:
In 1997, we developed a prospective protocol for rectal tumors: transanal local full-thickness excision was considered curative in patients with benign adenoma and early cancers. In this analysis, 404 patients were included. To analyze survival, only those patients exposed to the risk of dying for at least 5 years were considered for the study.
Results:
The final pathological analysis revealed that 262 (64.8%) patients had benign lesions, whereas 142 had malignant lesions. Postoperative complications were recorded in 12.6%. At the median time of 21 months, 14% of the adenomas and 12% of cancers had recurred, half of which were surgically resected. The overall 5-year survival rate was 94%.
Conclusion:
With similar outcomes and significantly lower morbidity, we found local surgery to be an adequate alternative to radical surgery in selected cases of early rectal cancer.
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