From the four years of the study at Hospital El Tunal, 1,450 colonoscopies and 10,718 endoscopies were reviewed. 44 patients were found with neuroendocrine tumors: 29 tumors were in the colon, and 15 were gastric NETs. The prevalence for all colonic tumors was of 3.4%, but the prevalence of GNETs was only 0.14%.
Durante los cuatro años de estudio, en el HET, se encontraron 44 pacientes con diagnóstico de tumor neuroendocrino, 29 del colon y 15 gástricos entre 1.450 colonoscopias y 10.718 endoscopias digestivas altas, que representan una prevalencia de 3,4% para todos los de colon y de 0,14 para los TNEG.