Colocutaneous fistula through ulcerative colitis and cancer to the pyoderma gangrenosum. A never-ending story for a single patient. Case report
BACKGROUND: Inflammatory bowel diseases may be associated with many extraintestinal complications, that in some cases can represent the first onset of these disorders. In particular during the course of the disease, Ulcerative Colitis develops extraintestinal manifestations very frequently. One of the rarest is pyoderma gangrenosum, a noninfectious neuthrophilic dermatosis, that can involve most commonly legs but also other parts of the skin or mucosas.