Anorectal anomalies are congenital malformations of the
anus
In mammals, invertebrates and most fish, the anus (: anuses or ani; from Latin, 'ring' or 'circle') is the external body orifice at the ''exit'' end of the digestive tract (bowel), i.e. the opposite end from the mouth. Its function is to facil ...
and
rectum
The rectum (: rectums or recta) is the final straight portion of the large intestine in humans and some other mammals, and the gut in others. Before expulsion through the anus or cloaca, the rectum stores the feces temporarily. The adult ...
. One anal anomaly,
imperforate anus has an estimated incidence of 1 in 5000 births.
[MedLine Plus.]
Imperforate anus
" Retrieved 13 July 2005. It affects boys and girls with similar frequency.
Examples of anorectal anomalies include:
* Anal
stenosis
Stenosis () is the abnormal narrowing of a blood vessel or other tubular organ or structure such as foramina and canals. It is also sometimes called a stricture (as in urethral stricture).
''Stricture'' as a term is usually used when narrowing ...
*
Proctitis
*
Anal bleeding
*
Anal fistula
Anal fistula is a chronic fistula, abnormal communication between the anal canal and the perianal skin. 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 a ...
See also
*
Imperforate anus
References
External links
The Monarch Initiative
Colorectal surgery
Congenital disorders
Rare diseases
Anal diseases
Rectal diseases
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