hemorrhoids

Hemorrhoids are soft venous masses formed by the tortuosity and dilation of the hemorrhoidal venous plexus beneath the mucous membrane of the terminal rectum and the skin of the anal canal. They are a common and frequently occurring disease inside and outside the anus, affecting any age group, most commonly between 20 and 40 years of age. In most patients, the condition worsens with age. There is currently no consensus on the pathogenesis of hemorrhoids; most scholars believe they are "vascular anal cushions," a part of normal anatomy, and can only be called a disease when complicated by bleeding, anal prolapse, pain, and other symptoms.