[A woman with invagination of the colon].

A 78-year-old woman presented at the emergency room with abdominal pain and diarrhea. At physical examination an abdominal tumour was palpated. The CT-scan showed an invagination of the colon, whereupon an explorative laparatomy was performed. A right-hemicolectomy was conducted and pathology showed an invasive mucineus cystadenocarcinoma in the caecum.