Clinical Research Directory

Inclusion Criteria: * Persons over 18 years of age * People suffering from anal suppuration of Crohn's disease for whom a drainage procedure is planned. * Person who has received written and oral information about the protocol and has not expressed opposition to participate in the study. Exclusion Criteria: * No one who is unable to have an anesthetic, structural or psychological examination by MRI and/or surgery. * Person planning a planned absence that could hinder participation in the research (travel abroad, relocation, impending transfer); * Person with an associated pathology that is a priority for care; * Vulnerable person (minors, persons under guardianship or curatorship, or deprived of their liberty by a judicial or administrative decision