[Comparison of protective colostomy vs. ileostomy in rectal cancer surgery].

Background: Rectal cancer (RC) is the 3rd most frequent one in Mexico. Protective stoma in resection and anastomosis is controversial.

Objective: To compare quality of life (QoL), functional capacity (FC) and complications in rectal cancer (RC) patients with low and ultralow anterior resection (LAR and ULAR) with loop transverse colostomy (LTC) versus protective ileostomy (IP).

[Zenker's diverticulum: election of surgical treatment and outcome. Case presentation].

Background: Zenker's diverticulum is a protrusion of the pharyngeal mucosa through a weak area of the posterior wall. It is a rare disorder with an incidence in Mexico of ~0.04% of the population.