Abstract
OBJECTIVE: Endoscopic ablation of large rectal adenomas is being increasingly used as primary treatment. Despite the avoidance of general anaesthesia and the prevention of more major procedures, patients undergoing endoscopic ablation have the disadvantage of multiple treatment sessions and the lack of adequate tissue sample for complete histological study. The aim of this study was to analyse the outcome of all patients with large rectal polyps treated with endoscopic ablation. PATIENTS AND METHODS: Between 1993 and 1998, 29 patients who underwent endoscopic ablation of large rectal adenoma were identified. All their case notes were analysed and information was collected on recurrence, treatment episodes, complications, the incidence of carcinoma and the necessity for further procedures. RESULTS: At a median 40 (range 4-67) months follow-up, 41% of patients had recurrence of their adenoma and 14% had been diagnosed with adenocarcinoma. Only 24% of patients had been discharged while 21% were clear but were still under surveillance. Seven (24%) patients had complications, 6 stenosis and one severe bleeding. All stenosis occurred in patients who had more than 10 treatment sessions. In all, 31% of patients needed further endoanal or abdominal surgery and the median time to making this decision was 28 (range 4-66) months. There were no deaths. CONCLUSION: Laser and argon ablation of large rectal adenomas has proved very disappointing. It should be reserved for patients who are unfit to undergo general anaesthesia.
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More From: Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland
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