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2. 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]

3. 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.

4. How to Get Rid of Hemorrhoids at Home—Plus When to ... - AOL

   www.aol.com/lifestyle/rid-painful-hemorrhoids...

   Internal hemorrhoids are inside your anus and painless but can cause bleeding during bowel movements. External hemorrhoids occur when hemorrhoids are pushed just outside of the anal opening. When ...

5. Rubber band ligation - Wikipedia

   en.wikipedia.org/wiki/Rubber_band_ligation

   Rubber band ligation (RBL) [1] is an outpatient treatment procedure for internal hemorrhoids of any grade. [2] There are several different devices a physician may use to perform the procedure, including the traditional metal devices, endoscopic banding, and the CRH O'Regan System.

6. 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 ...

7. 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.