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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 are typically diagnosed by physical examination. [6] A visual examination of the anus and surrounding area may diagnose external or prolapsed hemorrhoids. [8] Visual confirmation of internal hemorrhoids, on the other hand, may require anoscopy, insertion of a hollow tube device with a light attached at one end. [5]

  4. Hemorrhoidal artery embolization - Wikipedia

    en.wikipedia.org/wiki/Hemorrhoidal_artery_emboli...

    Hemorrhoidal artery embolization (HAE, or hemorrhoid artery embolization) is a non-surgical treatment of internal hemorrhoids. [ 1 ] The procedure involves blocking the abnormal blood flow to the rectal (hemorrhoidal) arteries using microcoils and/or microparticles to decrease the size of the hemorrhoids and improve hemorrhoid related symptoms ...

  5. Stapled hemorrhoidopexy - Wikipedia

    en.wikipedia.org/wiki/Stapled_hemorrhoidopexy

    PPH uses a circular stapler to reduce the degree of prolapse. The procedure avoids the need for wounds in the sensitive perianal area thus reducing post-operative pain considerably, and facilitates a speedier return to normal activities. This procedure is for internal hemorrhoids only and not for external hemorrhoids or anal fissures. [2] [3] [4]

  6. Rectal venous plexus - Wikipedia

    en.wikipedia.org/wiki/Rectal_venous_plexus

    The rectal venous plexus consists of an external rectal plexus [4]: 598 [5]: 294 that is situated outside to the muscular wall, [3] [4]: 598 [5]: 294 and an internal rectal plexus [4]: 598 [5]: 294 that is situated in the submucosa [5]: 294 /deep to the mucosa [3] [4]: 598 of the rectum and proximal anal canal [3] at the anorectal junction.

  7. Rectal bleeding - Wikipedia

    en.wikipedia.org/wiki/Rectal_bleeding

    Rectal bleeding refers to bleeding in the rectum, thus a form of lower gastrointestinal bleeding.There are many causes of rectal hemorrhage, including inflamed hemorrhoids (which are dilated vessels in the perianal fat pads), rectal varices, proctitis (of various causes), stercoral ulcers, and infections.

  8. Practitioner Performance Advice - Wikipedia

    en.wikipedia.org/wiki/Practitioner_Performance...

    The National Clinical Assessment Authority was established on 1 April 2001 as a special health authority. It initially operated as a service within England for NHS doctors, although this has been extended by various agreements. [2] It was renamed National Clinical Assessment Service when it merged with the National Patient Safety Agency in 2005 ...

  9. Solitary rectal ulcer syndrome - Wikipedia

    en.wikipedia.org/wiki/Solitary_rectal_ulcer_syndrome

    Endoanal ultrasound can determine the depth of the ulcer and the structure of the external and internal anal sphincters. [8] Endoanal ultrasound findings in SRUS include: Lack of distinction between the mucosa and the muscularis propria. [1] Thickening of the rectal wall. [5] Thickening of muscularis propria. [1] Thickening of submucosal layer. [1]