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Anorectal melanoma is a rare cause of anorectal malignancies affecting mainly elderly people without significant gender differences, although there seems to be a white predominance. Diagnosis is often challenging, since symptoms are frequently nonspecific. Radical surgery is the mainstay of treatment, while adjuvant therapies are generally of limited value. Thus, prognosis is still grim, with a 5-year survival rate of less than 20%. We report the case of a 75-year-old white female presentingdoi:10.18203/2349-2902.isj20170230 fatcat:sthvgnuqoncbvdtjvxtos3qmoe