Colorectal surgery is a field in medicine dealing with disorders of the
rectum
The rectum is the final straight portion of the large intestine in humans and some other mammals, and the Gastrointestinal tract, gut in others. The adult human rectum is about long, and begins at the rectosigmoid junction (the end of the s ...
,
anus
The anus (Latin, 'ring' or 'circle') is an opening at the opposite end of an animal's digestive tract from the mouth. Its function is to control the expulsion of feces, the residual semi-solid waste that remains after food digestion, which, d ...
, and
colon. The field is also known as proctology, but this term is now used infrequently within medicine and is most often employed to identify practices relating to the anus and rectum in particular. The word ''proctology'' is derived from the
Greek words , meaning "anus" or "hindparts", and , meaning "science" or "study".
Physicians specializing in this field of medicine are called colorectal surgeons or proctologists. In the United States, to become colorectal surgeons, surgical doctors have to complete a general surgery residency as well as a colorectal surgery fellowship, upon which they are eligible to be certified in their field of expertise by the
American Board of Colon and Rectal Surgery or the
American Osteopathic Board of Proctology. In other countries,
certification
Certification is the provision by an independent body of written assurance (a certificate) that the product, service or system in question meets specific requirements. It is the formal attestation or confirmation of certain characteristics of a ...
to practice proctology is given to surgeons at the end of a 2–3 year subspecialty
residency by the country's board of surgery.
Scope of the specialty
Colorectal surgical disorders include:
* varicosities or swelling, and
inflammation of
veins in the rectum and anus (
hemorrhoids)
* unnatural cracks or tears in the anus (
anal fissures)
* abnormal connections or passageways between the rectum or other anorectal area to the skin surface (
fistulas)
* severe
constipation conditions
*
fecal incontinence
* protrusion of the walls of the rectum through the anus (
rectal prolapse)
*
birth defects such as the
imperforate anus
* treatment of severe colic disorders, such as
Crohn's disease
Crohn's disease is a type of inflammatory bowel disease (IBD) that may affect any segment of the gastrointestinal tract. Symptoms often include abdominal pain, diarrhea (which may be bloody if inflammation is severe), fever, abdominal distension ...
* cancer of the colon and rectum (
colorectal cancer
Colorectal cancer (CRC), also known as bowel cancer, colon cancer, or rectal cancer, is the development of cancer from the colon or rectum (parts of the large intestine). Signs and symptoms may include blood in the stool, a change in bowel m ...
)
* repositioning of the rectal area if fallen out
*
anal cancer
* any injuries to the anus
* removal of objects inserted into anus
Surgical treatment and diagnostic procedures

Surgical forms of treatment for these conditions include:
colectomy, ileo/colostomy,
polypectomy
In medicine, a polypectomy is the removal of an abnormal growth of tissue called a polyp. Polypectomy can be performed by excision if the polyp is external (on the skin).
See also
* Colonic polypectomy
* Non-lifting sign The non-lifting sign i ...
,
strictureplasty, hemorrhoidectomy (in severe cases of
hemorrhoids
Hemorrhoids (or haemorrhoids), also known as piles, are vascular structures in the anal canal. In their normal state, they are cushions that help with stool control. They become a disease when swollen or inflamed; the unqualified term ''hemo ...
), minimally invasive surgery, anoplasty, and more depending on the condition the patient has. Diagnostic procedures, such as a
colonoscopy
Colonoscopy () or coloscopy () is the endoscopic examination of the large bowel and the distal part of the small bowel with a CCD camera or a fiber optic camera on a flexible tube passed through the anus. It can provide a visual diagnosis (''e. ...
, are very important in colorectal surgery, as they can tell the physician what type of diagnosis should be given and what procedure should be done to correct the condition. Other diagnostic procedures used by colorectal surgeons include:
proctoscopy
Proctoscopy is a common medical procedure in which an instrument called a proctoscope (also known as a rectoscope, although the latter may be a bit longer) is used to examine the anal cavity, rectum, or sigmoid colon. A proctoscope is a short, stra ...
,
defecating proctography,
sigmoidoscopy. In recent times, the
laparoscopic method of surgery has seen a surge of popularity, due to its lower risks, decreased recovery time, and smaller, more precise incisions achieved by using laparoscopic instruments.
Mechanical bowel preparation
Mechanical bowel preparation (MBP) is a procedure lacking evidence in the literature, wherein fecal matter is expelled from the bowel lumen prior to surgery, most commonly by using
sodium phosphate.
In popular culture
In the ''
Seinfeld
''Seinfeld'' ( ) is an American television sitcom created by Larry David and Jerry Seinfeld. It aired on NBC from July 5, 1989, to May 14, 1998, over nine seasons and List of Seinfeld episodes, 180 episodes. It stars Seinfeld as Jerry Seinfeld ( ...
'' episode "
The Fusilli Jerry",
Kramer erroneously gets the
vanity plate "ASSMAN". He later finds out the plate belongs to a proctologist. Kramer claims the proctologists he has met always talk about patients concocting absurd stories of how an item accidentally ended up in their colon to avoid admitting that they deliberately inserted the object into their anus.
See also
*
Proctalgia fugax
References
{{DEFAULTSORT:Colorectal Surgery
Rectum