Trial Concerning the Frequency of Parastomal Hernia With or Without a Mesh

Specific aim: To compare patients with colostomies with or without mesh at the primary operation. Primary endpoint is the incidence of parastomal hernia requiring surgery. All patients at participating centers scheduled for permanent colostomy, after signing informed consent and meeting inclusion criteria, will be randomised to formation of a stoma with or without mesh. If the inclusion criteria is fulfilled and informed consent is signed, the patient is randomised preoperatively.