Resumo

SOARES, Joana et al. Endoscopic Mucosectomy in a Child Presenting with Gastric Heterotopia of the Rectum. GE Port J Gastroenterol [online]. 2017, vol.24, n.6, pp.288-291. ISSN 2341-4545.  https://doi.org/10.1159/000478939.

Gastric mucosal heterotopia has been described in all levels of the gastrointestinal tract. Its occurrence in the rectum is uncommon. We report the case of a 4-year-old boy referred to Pediatric Gastroenterology for intermittent rectal bleeding for the past 2 years. Total ileocolonoscopy revealed a flat, well-circumscribed lesion of 4 cm, with elevated margins, localized at 10 cm from the anal verge. Histologic examination showed typical gastric mucosa of the oxyntic type. Treatment with proton pump inhibitors was started without resolution of the symptoms and, therefore, an endoscopic mucosal resection was performed. Heterotopic gastric mucosa represents a rare cause of rectal bleeding in children and endoscopic evaluation is fundamental for diagnosis. Although not usually performed in pediatric ages, endoscopic mucosectomy allows complete resolution of the problem avoiding surgery.

Palavras-chave : Heterotopic gastric mucosa; Endosocopic mucosal resection; Rectum.

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