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Revista chilena de cirugía

versión On-line ISSN 0718-4026

Resumen

GARCIA, María Cristina et al. The follow up after colectomy in patients with familial adenomatous polyposis is justified. Rev Chil Cir [online]. 2016, vol.68, n.2, pp.164-169. ISSN 0718-4026.  http://dx.doi.org/10.4067/S0718-40262016000200009.

phenotypic expression is the presence of múltiple colorectal adenomatous polyps (more than 100), with high probability developing colorrectal cancer (CRC) before the fifth decade of life. Prophylactic surgery (total colectomy or restorative proctocolectomy) reduces the risk of developing CRC. However, the risk of developing tumors in other organs remains present. Objetive: Analyze the frequency and type of tumors associated with classic familial adenomatous polyposis syndrome (FAPc) patients undergoing prophylactic colectomy. Material and Methods: Cohort study. From the registry of hereditary colorrectal cancer (CRC) at our institution, we identified patients with FAPc who underwent total colectomy with ileorrectal anastomosis (TC-IRA) or restorative proctocolectomy (RTPC), from 1999 to 2014. In the follow-up we analyzed related tumors and mortality. Results: 27 patients, of whom 18 (66.7%) underwent TC-IRA and 9 (33.3%) underwent RTPC. At the time of surgery, 4 patients had CRC (15%) and 5 had extracolonic tumors (osteomas). In a mean follow-up of 49, 4 months (i: 2 y 178) the following lesions were diagnosed: digestive tract adenomas in 17 (63%) patients, of these 2 required a proctectomy and 3 resection of duodenal adenomas. Eight patients developed desmoid tumors (30%), and 3 of them underwent surgery. One patient had an extradigestive tumor (thyroid cancer) and only 8/27 (29.6%) did not develop other tumors. One patient died due to progression of his CCR. Discussion: In this series it is confirmed that most patients will develop neoplasms FAPc after colectomy. conclusion: The removal of the colon and/or rectum is able to prevent the development of CRC. However, two thirds of the patients develop other tumors in which systematic surveillance allowed early detection and treatment.

Palabras clave : Familiar adenomatous polyposis; colorectal cáncer; desmoid tumor; duodenal cancer.

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