Breast Reconstruction and Body Map : Assessment by Functional MRI (REMASCO) (REMASCO)

Inclusion Criteria:

1. Patient with an indication of unilateral total mastectomy with immediate breast reconstruction for initial breast cancer or recurrence, Or patient undergoing a unilateral secondary breast reconstruction
2. WHO performance status less than or equal to 2
3. Age ≥ 18 years
4. For patients of childbearing age, use of an effective contraceptive method for the duration of the study
5. Patient having been informed and having signed an informed consent form for the study.

Exclusion Criteria:

1. Patient undergoing a breast reconstruction by exclusive lipomodelling
2. Contraindication to MRI : claustrophobia, intra-orbital metallic fragment, pregnancy, cochlear implants, incompatible metallic foreign body such as certain pacemaker and mechanical valves
3. Patient with an indication of preoperative radiotherapy or adjuvant chemotherapy according to regional and/or national standards
4. History of brain surgery
5. History of contralateral breast surgery
6. History of prophylactic total mastectomy
7. Reconstruction techniques using a mixed procedure (autologous + prosthesis)
8. Patient on medication that may alter the BOLD signal in MRI
9. Pregnant or breastfeeding women
10. Patient under tutorship or guardianship