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01.12.2012 | Research | Ausgabe 1/2012 Open Access

World Journal of Surgical Oncology 1/2012

Transanal endoscopic microsurgery in treatment of rectal adenomas and T1 low-risk carcinomas

Zeitschrift:
World Journal of Surgical Oncology > Ausgabe 1/2012
Autoren:
Michael Amann, Ali Modabber, Jens Burghardt, Christian Stratz, Claudius Falch, Gerhard F Buess, Andreas Kirschniak
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1477-7819-10-255) contains supplementary material, which is available to authorized users.

Competing interests

The authors declare that they have no competing interests.

Authors' contributions

MA, GFB, JB, and AM were responsible for the study concept and design. MA and AM were responsible for data acquisition and conception of the manuscript. MA, AM, and AK were responsible for statistical analysis. All authors were responsible for data analysis and interpretation. MA and AM drafted and designed the manuscript and contributed equally to this work. MA, AM, and AK were responsible for manuscript preparation. All authors reviewed the manuscript. All authors read and approved the final manuscript.

Abstract

Background

Transanal endoscopic microsurgery as a local therapy option for rectal neoplasms is a tissue-sparing technique that protects the anal sphincter. The present retrospective analysis reports the course of observation after local excision of adenomas and T1 low-risk carcinomas using transanal endoscopic microsurgery.

Methods

In a retrospective analysis we examined data on 279 patients for local recurrence. A total of 144 patients had a rectal adenoma (n = 103) or a R0 resection of low-risk T1 carcinomas (n = 41). In this collective, we also examined parameters concerning perioperative management, complications, intraoperative blood loss and duration of hospital stay.

Results

Patients with adenoma were on average 64.9 (range 37 to 90) years old; 83.5% of the adenomas were located 3 to 11 cm from the anocutaneous line. In adenoma patients the recurrence rate was 2.9% for an observation period of 21.8 months. The postoperative course was without any complications in 98.1% of patients.
Patients with T1 low-risk carcinoma were 64.6 (range 30 to 89) years old. In all cases, an R0 resection could be performed. The recurrence rate was 9.8% for an observation period of 34.4 months. In this group the postoperative course was free of complications in 97.6% of patients.

Conclusions

The high efficacy of transanal endoscopic microsurgery ensures minimally invasive treatment of adenomas and low-risk T1 carcinomas with low complication rates and a low rate of therapeutic failure.
Zusatzmaterial
Authors’ original file for figure 1
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Authors’ original file for figure 8
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Literatur
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