No, they do not do the mucosectomy on the entire rectum, just the rectal cuff that remains to attach the pouch to. Most people do not have a mucosectomy because it isa very technically difficult procedure.
Removing the entire rectum, including the rectal cuff or performing a mucosectomy does completely remove the disease,but it increases the risk of fecal incontinence. So, the only time it is routinely done is if there is a very low rectal cancer or high grade dysplasia. There are a few surgeons who routinely perform mucosectomy on the rectal cuff, but they are more "old school." They also have a lot of experience with it.
If they are saying they can preserve your whole rectum and strip the mucosa on it, you need clarification. I think you misunderstood.
Jan
