I've had my pouch 14 years, but just realised I don't know what the cuff is. Explanations or diagrams greatly appreciated :-)
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It's the 1-2cm left in the anal transitional zone (ATZ) where the new pouch is either stapled or sewn, which keeps sphincter function.
The mucosa there can be "stripped" to try to decrease the possibility of disease in the area (mine was).
It is called the "cuff," and it can develop "cuffitis," which is basically UC/IBD of that small area.
Symptoms can be that of pouchitis, but also adds in bleeding more often than with pouchitis. They say that on digital exam, the cuff will feel "bumpy" with cuffitis.
The mucosa there can be "stripped" to try to decrease the possibility of disease in the area (mine was).
It is called the "cuff," and it can develop "cuffitis," which is basically UC/IBD of that small area.
Symptoms can be that of pouchitis, but also adds in bleeding more often than with pouchitis. They say that on digital exam, the cuff will feel "bumpy" with cuffitis.
Thanks, Rachel, that is very helpful 
I felt kind of silly asking about it after all these years. I guess I should be glad nothing has gone wrong with mine so I've never needed to know.
I felt kind of silly asking about it after all these years. I guess I should be glad nothing has gone wrong with mine so I've never needed to know.