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  2. Transanal hemorrhoidal dearterialization - Wikipedia

    en.wikipedia.org/wiki/Transanal_hemorrhoidal_de...

    Hemorrhoids are fed by arteries and drained by veins. The arterial blood supply is based on the superior rectal (hemorrhoidal) artery. Just as veins in the leg weaken and become prominent, hemorrhoidal veins also may become varicose, resulting in internal hemorrhoids or “piles”. Internal hemorrhoids are divided into four grades.

  3. Hemorrhoid - Wikipedia

    en.wikipedia.org/wiki/Hemorrhoid

    Hemorrhoids (or haemorrhoids), also known as piles, are vascular structures in the anal canal. [ 7 ] [ 8 ] In their normal state, they are cushions that help with stool control. [ 2 ] They become a disease when swollen or inflamed ; the unqualified term hemorrhoid is often used to refer to the disease. [ 8 ]

  4. Anal fissure - Wikipedia

    en.wikipedia.org/wiki/Anal_fissure

    Surgical treatment, under general anaesthesia, is either anal stretch (Lord's operation) or lateral sphincterotomy where the internal anal sphincter muscle is incised. Both operations aim to decrease sphincter spasming and thereby restore normal blood supply to the anal mucosa.

  5. Anal fistula - Wikipedia

    en.wikipedia.org/wiki/Anal_fistula

    Definitive treatment of a fistula aims to stop it recurring. Treatment depends on where the fistula lies, and which parts of the internal and external anal sphincters it crosses. However, treatment is challenging as complete eradication of the anal sphincters may lead to continence impairment, but failure to excise the affected areas results in ...

  6. Proctitis - Wikipedia

    en.wikipedia.org/wiki/Proctitis

    Treatment for proctitis varies depending on severity and the cause. For example, the physician may prescribe antibiotics for proctitis caused by bacterial infection. If the proctitis is caused by Crohn's disease or ulcerative colitis, the physician may prescribe the drug 5-aminosalicyclic acid (5ASA) or corticosteroids applied directly to the ...

  7. Varicose veins - Wikipedia

    en.wikipedia.org/wiki/Varicose_veins

    The distal veins are removed following the complete ablation of the proximal vein. This treatment is most commonly used for varicose veins off of the great saphenous vein, small saphenous vein, and pudendal veins. [60] Follow-up treatment to smaller branch varicose veins is often needed in the weeks or months after the initial procedure.

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