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Anal polyps are tissue growths that arise from the wall of the rectum and protrude into it. They may be either benign or malignant (cancerous).
Most polyps are asymptomatic. Rectal bleeding, usually occult and rarely massive, is the most frequent complaint.
Occasionally, a polyp on a long pedicle may prolapse through the anus. Large villous adenomas may rarely cause watery diarrhea that may result in hypokalemia.
Regular screenings for colon polyps are the best way to prevent polyps from developing into colon cancer. Most polyps can be identified and removed during a colonoscopy.
The great majority of benign colon and rectal polyps are small or moderate sized and can be removed through the colonoscope Very small polyps are destroyed with a forceps that grasps and removes small pieces of the rectal lining. Larger polyps are removed most often with a metal snare (like a noose) that is passed through a thin insulated hollow plastic tube. Before the intervention, standard pre-operative blood and urine studies are done. The patient is also given medicated enemas to clean the bowel.
If a colectomy is recommended for a benign, or non-cancerous, growth, it is usually because that growth is symptomatic in some way (bleeding or causing a blockage) or to prevent it from progressing into a cancer.
Complications are very rare, however there is a slight risk of puncturing the colon (less than 1 in 1,000) or causing severe bleeding by damaging its wall (less than 3 in 1,000). Minor bleeding may occur caused by removing the polyp.
Not every patient is eligible for laparoscopic polypectomy, this depends on the type of disease affecting the patient. Several other factors are considered including the patient’s body type and overall health, previous operations on the abdomen resulting in scar tissue, history of bleeding problems and pregnancy.
Be aware of the doctor’s pre-appointment restrictions, such as not eating solid food on the day before your appointment. Make a list of all your medications, vitamins and supplements.
Please provide us your key medical information, including other conditions and key personal information such as any recent changes or stressors in your life.
You will need some time in the recovery room for the effects of the pain medication to wear off. You will not be alert enough to go home right after the intervention so it is recommended to stay one night at your Medicover Hospital room. Have a rest for the remainder of the day, and eat lightly at first. Minor symptoms such as gas or bloating will disappear within 24 hours.
Follow-up depends on what type of polyp you have. Small hyperplastic polyps located in the lower colon typically do not require follow-up, and a repeat colonoscopy is recommended in 10 years as long as you do not have additional factors (personal or family history of polyps or colon cancer, etc.).