Pilot Study of Measurement Agreement Between Morphological and Diffusion Tensor Imaging MRI for Pelvic Nerve Cartography

Inclusion Criteria: * The patient must have given their free and informed consent and signed the consent form * The patient must be a member or beneficiary of a health insurance plan * The patient it at least 18 years old * The patient has been admitted for an MRI examination of the pelvic region, for any reason Exclusion Criteria: * The subject is participating in an interventional study, or is in a period of exclusion determined by a previous study * The subject refuses to sign the consent * It is impossible to give the subject informed information * The patient is under safeguard of justice or state guardianship * The patient is pregnant or breast feeding * There is a contra-indication for MRI (pacemaker, claustrophobic patient) * The patient has had previous pelvic surgery