Inclusion Criteria:  Specific inclusion criteria for the study :  no history of continuous cystostomy in another centre a follow-up > 24 months, a continent cutaneous urinary diversion for a spinal cord injury.  General inclusion criteria :  Patient affiliated to or beneficiary of a health insurance scheme. Adult patient (≥18 years of age) and under 85 years of age.  Exclusion Criteria:  Criteria for non-inclusion specific to the study : All urinary incontinence outside of medullary waiting period. A history of continuous cystostomy in another centre. A follow-up of less than 24 months, a continent cutaneous urinary diversion for a neurological pathology other than spinal cord injury.  General criteria for non-inclusion :  Patient in a period of exclusion determined by another study. Patient for whom it is impossible to give enlightened information. Patient under legal protection, guardianship or curatorship. Patient unable to express consent