In an analysis of data from the CESAME cohort in France, patients with anal and/or perianal Crohn's disease have a high risk of anal cancer, including perianal fistula-related cancer, and a high risk of rectal cancer.
the appendiceal orifice, which might suggest UC involvement of the appendiceal orifice as the cause of the AM.As only a few cases of UC with an AM have been reported, it remains unknown whether there is a causative link between them. 2,3 Based on our case observation, however, careful follow-up of UC patients with involvement of the appendiceal orifice is warranted due to the possible development of an AM.
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