Hemorrhoidal disease is one of the most common illnesses in industrialized nations. Up to 70% of adults suffer from the disease once in their lifetime. This underlines the necessity and importance of knowing about the differential diagnosis of hemorrhoids. One can differentiate between differential diagnoses of symptoms (bleeding, pain, itching, tumor) and differential diagnoses of the phenotype findings (anal prolapse, mucosal prolapse and rectal prolapse, skin tags, hypertrophied anal papillae, condylomata acuminata, anal fissure, perianal venous thrombosis, anal cancer).
Keywords: Anal fissure; Anal prolapse; Clinical picture; Perianal venous thrombosis; Symptoms.