I had a scope through my stoma before, not a big deal, and they did leave my wafer on, and they did sedate me so I don't remember it at all. Good luck to you!
Diagnosed with colonic inertia at 13 years old, had my colon removed.
Diagnosed with rectal inertia at 16 years old, had my rectum removed and had a jpouch made.
Diagnosed with small bowel inertia at 18 years old, and got an ileostomy wich I still have. I am 27 now.
If you want to know more, just ask me!