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  2. Lateral internal sphincterotomy - Wikipedia

    en.wikipedia.org/wiki/Lateral_internal_sphincter...

    Lateral internal sphincterotomy is the preferred method of surgery for persons with chronic anal fissures, and is generally used when medical therapy has failed. [1] It is associated with a lower rate of side effects than older techniques such as posterior internal sphincterotomy and anoplasty, [3] and has also been shown to be superior to topical glyceryl trinitrate (GTN 0.2% ointment) in ...

  3. Anal fissure - Wikipedia

    en.wikipedia.org/wiki/Anal_fissure

    Specialty. Gastroenterology. An anal fissure is a break or tear in the skin of the anal canal. Anal fissures may be noticed by bright red anal bleeding on toilet paper and undergarments, or sometimes in the toilet. If acute, they are painful after defecation, [ 1 ] but with chronic fissures, pain intensity often reduces and becomes cyclical.

  4. Hemorrhoid - Wikipedia

    en.wikipedia.org/wiki/Hemorrhoid

    50–66% at some time [ 1 ][ 3 ] 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 ]

  5. Rectal tenesmus - Wikipedia

    en.wikipedia.org/wiki/Rectal_tenesmus

    Gastroenterology, general surgery. Rectal tenesmus is a feeling of incomplete defecation. [1] It is the sensation of inability or difficulty to empty the bowel at defecation, even if the bowel contents have already been evacuated. Tenesmus indicates the feeling of a residue, and is not always correlated with the actual presence of residual ...

  6. Solitary rectal ulcer syndrome - Wikipedia

    en.wikipedia.org/wiki/Solitary_rectal_ulcer_syndrome

    Colorectal surgery. Solitary rectal ulcer syndrome or SRUS is a chronic disorder of the rectal mucosa (the lining of the rectum). [ 1 ] It commonly occurs with varying degrees of rectal prolapse. The condition is thought to be caused by different factors, such as long term constipation, straining during defecation, and dyssynergic defecation.

  7. Constipation - Wikipedia

    en.wikipedia.org/wiki/Constipation

    Complications from constipation may include hemorrhoids, anal fissure or fecal impaction. [4] The normal frequency of bowel movements in adults is between three per day and three per week. [4] Babies often have three to four bowel movements per day while young children typically have two to three per day. [8] Constipation has many causes. [4]

  8. Transanal hemorrhoidal dearterialization - Wikipedia

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

    Hemorrhoids. Hemorrhoids are normal vascular cushions found in the anal canal. 15% of a human's continence mechanism is attributed to the hemorrhoidal plexus. When a person coughs, for instance, the hemorrhoids will engorge with blood and increase one's ability to hold gas and stool. They are termed internal and external based on their ...

  9. Anal fistula - Wikipedia

    en.wikipedia.org/wiki/Anal_fistula

    General surgery. Anal fistula is a chronic abnormal communication between the anal canal and the perianal skin. [1] An anal fistula can be described as a narrow tunnel with its internal opening in the anal canal and its external opening in the skin near the anus. [2] Anal fistulae commonly occur in people with a history of anal abscesses.

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