Hemorrhoidal disease is a very common medical disturbance, equally distributed among males and females. Incidence peaks at middle age, and declines after the age of 65 years. Because many patients attribute anorectal symptoms to hemorrhoids, the precise occurrence of hemor-rhoidal disease is difficult to compute. The probable prevalence of this condition as estimated by questionnaires is between 4 to 40%, with approximately 1,100 medical office visits per 100,000 persons annually (Sardinha and Corman, 2002).
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