, Volume 9, Issue 10, pp 1106-1112

Transanal endoscopic microsurgery in large, sessile adenomas of the rectum

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The clinical and long-term results of 286 cases encountered from 1983 to 1993 in our Department of Surgery regarding the local excision of large, sessile rectal adenomas (>2cm2) by the endoscopic surgical method and the influence of this selected series of adenomas on age, sex, size, grade of dysplasia, and architecture are subjects of this study. Histologically proven rectal carcinomas as well as nonneoplastic polyps were excluded from this trial.

Early postoperative complications amounted to 3.4%. The 1-year and 5-year recurrence rates ±SE of adenomas were 1.2±0.7% and 7.0±1.9%, respectively. Remarkably, there was no significant relationship between the histological type of the adenoma and the grade of dysplasia nor between the size and grade of dysplasia. However, there was a significant relationship between the size and histological type of the adenoma (P<0.01).

With the endoscopic minimal-invasive system, we are able to achieve a superior rate of recurrence compared to any other local treatment as well as a more favorable operative result compared to extensive surgical procedures.