Evaluation of the Performance of a 3D FGAPSIR Sequence by MRI in the Detection and Characterization of Spinal Cord Injuries in Patients With Multiple Sclerosis
* verification of inclusion and non-inclusion criteria * information and collection of consent * standard imaging protocol prescribed as part of the usual treatment: sagittal T1 and T2 slices after injection of contrast product (Gadolinium), 3D STIR and 3D PSIR sequence. * 3D FGAPSIR sequence at the level of the cervical cord for the duration of the additional sequence is 10 minutes, for a total examination time of 40 minutes (instead of 30 minutes)
• Patient over 18 years old
• To benefit from a medullary exploration planned by 3T MRI as part of a first evaluation or a reassessment of inflammatory involvement of the nevrax
• Express consent to participate in the study
• Affiliate or beneficiary of a social security scheme