Analysis of Therapeutic Management Strategies for Anal Suppurations of Crohn's Disease

This study is analyzing different treatment approaches for anal abscesses and fistulas (tunnels near the anal area) caused by Crohn's disease, to figure out which drainage and surgical strategies work best. **You may be eligible if...** - You are 18 or older - You have Crohn's disease with anal abscesses or fistulas - A drainage procedure is planned for you - You have received information about the study and are willing to participate **You may NOT be eligible if...** - You cannot safely undergo anesthesia, MRI imaging, or surgery - You have a planned extended absence (travel, relocation) that would interrupt follow-up - You have another serious medical condition that needs to be treated first - You are a minor, under legal guardianship, or deprived of your liberty Talk to your doctor to see if this trial is right for you.