The knowledge of the relationship between dermatologic manifestations and disorders and internal diseases may facilitate early identification of general disease. The report aims to provide an overview of dermatologic manifestations of gastrointestinal disorders, non-specific inflammatory bowel disease and gastrointestinal stromal tumours, and skin alterations related to diabetes mellitus. The role of a dermatologist is primarily to diagnose dermatoses.
Key words: diabetes mellitus - dermatoses - m. Crohn - gastrointestinal stromal tumours - inflammatory bowel disease - ulcerative colitis.