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  2. 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.

  3. Anal fistula - Wikipedia

    en.wikipedia.org/wiki/Anal_fistula

    Anal fistula. 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.

  4. 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 ...

  5. How to Prevent and Treat Hemorrhoids, According to Doctors - AOL

    www.aol.com/prevent-treat-hemorrhoids-according...

    Read More: 6 Health Myths About Oils. Following bowel movements, doctors also recommend “sitz baths” for people struggling with hemorrhoids. These are over-toilet vessels that you fill with ...

  6. Intergluteal cleft - Wikipedia

    en.wikipedia.org/wiki/Intergluteal_cleft

    Intergluteal cleft. The intergluteal cleft or just gluteal cleft, also known by a number of synonyms, including natal cleft and cluneal cleft, is the groove between the buttocks that runs from just below the sacrum to the perineum, [ 1 ] so named because it forms the visible border between the external rounded protrusions of the gluteus maximus ...

  7. 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 ]

  8. Goodsall's rule - Wikipedia

    en.wikipedia.org/wiki/Goodsall's_rule

    Goodsall's rule. Goodsall's rule relates the external opening (in the perianal skin) of an anal fistula to its internal opening (in the anal canal). It states that if the perianal skin opening is posterior to the transverse anal line, the fistulous tract will open into the anal canal in the midline posteriorly, sometimes taking a curvilinear ...

  9. Anal canal - Wikipedia

    en.wikipedia.org/wiki/Anal_canal

    The anal canal is the part that connects the rectum to the anus, located below the level of the pelvic diaphragm. [ 1 ] It is located within the anal triangle of the perineum, between the right and left ischioanal fossa. As the final functional segment of the bowel, it functions to regulate release of excrement by two muscular sphincter complexes.

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