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A new proctoscope for transanal endoscopic operations

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Abstract

Transanal access is one of many currently used procedures for rectal cancer treatment. The techniques used for local excision include conventional transanal excision, posterior access, therapeutic colonoscopy and transanal endoscopic approaches. The aim of the present study was to present a new surgical proctoscope for the endoscopic transanal excision of rectal lesions. A cylindrical proctoscope with a diameter of 4 cm was devised and built. The end inserted into the anus has a bevelled aspect and rounded borders, allowing correct exposure of the anal lesion. The rectoscope is fixed to the anal border with surgical thread through perforations in the external end. A base screw holds a fibre-light which illuminates the operative field. Part of the equipment is a guide which is positioned inside the rectoscope on insertion into the anus. In operations utilizing this proctoscope, 17 adenomas, 25 adenocarcinomas, 1 carcinoid and 1 endometrioma were excised. The diameter of the lesions varied from 1 to 6 cm. The range of procedures that are possible with this new proctoscope are similar to those achieved with conventional techniques which, however, require more expensive equipment. Hence, the present study demonstrates that this newly devised low-cost proctoscope is an efficient tool for the transanal endoscopic excision of rectal lesions.

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Authors and Affiliations

  1. Faculty of Medicine of Ribeirão Preto, University of São Paulo, São Paulo, Brazil

    J. J. Ribeiro da Rocha & O. Féres

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  1. J. J. Ribeiro da Rocha
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  2. O. Féres
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Correspondence to J. J. Ribeiro da Rocha.

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Ribeiro da Rocha, J.J., Féres, O. A new proctoscope for transanal endoscopic operations. Tech Coloproctol 12, 241–246 (2008). https://doi.org/10.1007/s10151-008-0429-3

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  • DOI: https://doi.org/10.1007/s10151-008-0429-3

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