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Revista de Gastroenterología del Perú

versão impressa ISSN 1022-5129

Resumo

BARREDA B, Fernando; COMBE G, Juan; VALDEZ P, Luis A  e  SANCHEZ L, Juvenal. Aspectos Clínicos de los Pólipos Colónicos. Rev. gastroenterol. Perú [online]. 2007, vol.27, n.2, pp.131-147. ISSN 1022-5129.

INTRODUCTION: The colonics polyps according to their number, size, location, age of presentation and mainly, according to their histology, have the potentiality of malignant degeneration, which makes of a continuous study and pursuit susceptible. OBJECTIVES: To evaluate the relation between the histologic type of the colon polyps, its location, the degree of dysplasia, the size, its possible commitment by carcinoma, the age, sex and the handling that has occurred them, in a series of 684 patients of the National Institute of Enfermedades Neoplásicas (INEN) between the 1 of January from 1974 to the 31 of March of the 2004. MATERIAL AND METHODS: The revision of clinical histories of 840 patients with the diagnosis of colon polyp was made who attended the service of Gastroenterology of the INEN between the 1 of January from 1974 to the 31 of March of 2004 and a card predesigned for each clinical history filled. The study is of observational, analytical type and of cross section. 1162 resecteds polyps evaluated themselves in this period. 156 patients by diagnosis related to cancer and familiar adenomatouspoliposis did not include themselves. The final sample was of 684 patients, in whom it was 1057 polyps. Other endoscopic findings were: internal hemorrhoids (172), colonic diverticulosis (50), anal fissure (4), and nonspecific ulcerative colitis (2). The statistical processing was made with program SPSS 12. For the qualitative variables the method of the Chi-square was used, for the quantitative variables analyzed the average, the rank and the variance. RESULTS: 1057 polyps extirpated, by means of the endoscopy polipectomy were 1016, with colectomy were 32 and with transanal resection without colectomy they 9. Within the histology of the 1057 polyps, 331 was briefed (31.3%) that were hyperplasic, 448 (42.4%) adenomas, 278 (26.3%) others and 35 (8.2%) adenocarcinomas on adenomas. The average age was of 50 years, was no significant difference with sex. The location but frequents of the adenomas was in the left colon (76.6%). Adenocarcinoma (carcinomas on adenomas), was present mainly in polyps villous type, with dysplasia severe and greater to 10mm. Nevertheless, in smaller polyps of 5mm with dysplasia severe, was a polyp invaded by cancer, that represents the 0,8% of millimetric polyps. The made handling was mainly endoscopic, with 96% of the resected polyps this way, also slogan transanal resection and segmental colonic resection. The colectomy was necessary in 3% of all the made interventions, dysplasia severe or carcinoma was made in adenomatous polyps with, and in greater percentage in greater polyps of 20mm (53%). The single polipectomy was sufficient in the level of invasion Haggitt 0. In patients with level of invasion Haggitt 1 and 2, the single polipectomy was the election treatment. On the other hand, in polyps with level of invasion Haggitt 3 and 4, the colectomy was the election treatment. One briefed two complications, one of perforation and peritonitis and another one of digestive hemorrhage loss (both: 0.29%), without mortality events. CONCLUSIONS: The Evaluation of colonic polyps in INEN is predominantly by endoscopy. The polyps are more frequent over the 50 years and have preferred location in the left colon. The carcinoma is more probable with severe dysplasia and greater size of the adenoma. All polyps, from the millimetric ones, including the hyperplasic, must be considered marks of neoplasia and extirpated in its totality.

Palavras-chave : polipectomy; polyp of colon; level of Haggitt invasion.

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