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High-grade anal intraepithelial neoplasia treated with endoscopic submucosal dissection: a case report

Journal Volume 85 - 2022
Issue Fasc.1 - Case reports
Author(s) J. Santos-Antunes 1, E. Dias 1, R. Coelho 1, M. Marques 1, P.A. Canão 2, J. Magalhães 2, G. Macedo 1
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Full Article
PAGES 108-110
(1) Gastroenterology Department, Centro Hospitalar de São João, Porto, Portugal
(2) Pathology Department, Centro Hospitalar de São João, Porto, Portugal

Anal intraepithelial neoplasia is a premalignant lesion for anal squamous cell carcinoma. Current treatment options, consisting of topical therapy and local ablative procedures with electrocautery or radiofrequency ablation, are effective although recurrence rates are high. Experience with endoscopic submucosal dissection for anal lesions is limited, with only a few cases of anal intraepithelial neoplasia and early anal squamous cell carcinoma. We present a 65-year-old woman with high-grade anal intraepithelial neoplasia successfully removed by endoscopic submucosal dissection with no complications or signs of recurrence after 5 months, suggesting that this technique could be a safe and effective approach for management of anal premalignant lesions.

Keywords: anal intraepithelial neoplasia, anal squamous cell cancer, endoscopic submucosal resection.

The authors declare that they have no conflict of interest.
© Acta Gastro-Enterologica Belgica.
PMID 35304003