[Desmoid tumor and Gardner syndrome: a little known surgical dilemma. Presentation of 2 cases].

Two patients affected with Gardner's syndrome and desmoid tumour are presented: a 35-year-old man without polyposis coli who developed a clavicular posttraumatic desmoid tumour, and a 52-year-old woman with polyposis coli who died of an intra-abdominal desmoid tumour 3 years after prophylactic colectomy. A close follow-up of patients with Gardner's syndrome for early detection of desmoid tumours after surgery is recommended.