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In the area of the rectum and anus there are a series of veins and arteries that form a set with the tissue that covers them. In situations of effort, irritation, etc., this set can become inflamed and cause discomfort, but returns to its normal state once the stimulus ceases. If the inflammation is intense and persistent, the discomfort increases and the disease we know as hemorrhoids occurs.
Hemorrhoids are a very common disorder. Between 50 and 75% of the population may be affected by them at some point in their lives.
Anal fissure is a longitudinal tear that appears in the most distal portion of the anal canal. Its most frequent location is the posterior midline (90-98%), another less common location is the anterior midline (12% of those that appear in women and 7% in men). It has an equal incidence in both sexes and is more frequent in the middle age of life. Most are of unknown origin. The most likely explanation is acute trauma to the anal canal during defecation (large hard stools) and rarely by the explosive expulsion of liquid feces. The fact that the posterior wall of both the subendothelial and sphincter spaces are less vascularized makes them more vulnerable to the location of fissures. The passage to chronicity is due to both sphincter hypertonia and ischemia.
The presence of multiple fissures or in places other than those mentioned forces us to rule out diseases such as ulcerative colitis, Crohn's disease, tuberculosis, syphilis, immunodeficiency syndrome ... (Keep in mind that more than half of fissures secondary to inflammatory bowel diseases occur in the posterior midline and are painful).
An anorectal fistula (fistula in the anus) is an abnormal path from the anus or rectum to the skin near the anus, although it can occasionally go to another organ, such as the vagina. In general, fistulas begin in a gland deep in the wall of the rectum or anus. Sometimes fistulas are the result of drainage from an anorectal abscess, but often the cause cannot be identified.
This condition is more common in carriers of Crohn's disease or in people with tuberculosis. They can also occur in people with diverticulitis, cancer, or anal or rectal injury. A fistula in an infant is usually due to a birth defect and is more common in boys than girls. Fistulas connecting the rectum and vagina may be due to a complication of radiation therapy, cancer, Crohn's disease, or an injury to the mother during delivery.
A pilonidal abscess is a collection of pus at the site of infection; A pilonidal sinus is a wound with chronic outflow of pus at that level.
It usually occurs in young, white, high-haired males.
To distinguish it from other infections, the doctor looks for dimples (small holes in the infected area).
A pilonidal sinus can cause pain and swelling.
Information about colorectal cancer.
Morning | Afternoon | |
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Monday | 09.00 - 13.00 h | 16.00 - 20.00 h |
Tuesday | 09.00 - 13.00 h | 16.00 - 20.00 h |
Wednesday | 09.00 - 13.00 h | 16.00 - 20.00 h |
Thursday | 09.00 - 13.00 h | 16.00 - 20.00 h |
Friday | 09.00 - 13.00 h | 16.00 - 20.00 h |