Feasibility Study - The Place of Surgical Management by Fatty Autograft in Patients With Healed Pelvic Eschar. Interest in Secondary Prevention.

Inclusion Criteria: * Patient between 18 and 65 years old; * presenting a medullary, post-traumatic or congenital lesion, with consequent paraplegic sequelae; * With a history of eschar: * Pelvic (ischiatic, trochanteric or sacral), * Healed for at least 6 months, after surgical treatment or directed healing (scarring is defined by the absence of local care, ie no nursing care); * Affiliated to a social security ; * Written informed consent. Exclusion Criteria: * Patient malnourished (albuminemia \<40g / L); * Non-weaning or weaned tobacco addiction for less than 3 weeks (compared to the date of surgery); * Contraindication to MRI ; * Protected person subject to legal protection (legal safeguards, guardianship, trusteeship), person deprived of liberty, * Pregnant woman.