Evaluation of MRI Sequences in Hepatic Overload

Inclusion criteria

• Men and women ≥ 18 years of age
• Patients with or suspected clinically to be with a hepatic overload pathology (hepatic iron and/or fat overload) and who need a diagnostic or pre-therapeutic MRI from his initial management or during his monitoring,
• Patient able to provide written informed consent and can understand and comply with the requirements of the study
• Patient having received the information about the protocol and having not expressed his opposition to participate.

Exclusion criteria

Due to MRI :

• pacemaker or defibrillator,
• MRI non-compatible heart valve,
• clips, stents, coils, etc… non-compatible with MRI,
• cochlear implants,
• neuronal or peripheric simulator,
• intra-orbital or encephalic metallic foreign body, foreign body close to eyes, foreign body near the eyes, injury by metallic luster (war, ball),
• endoprosthesis received since less than 4weeks and osteosynthesis equipment received since less than 6 weeks,
• claustrophobia,
• pump, tattoo, permanent make-up, intrauterine device, patch,
• metal, magnetic, non-removable and in the area of the analyse field material

Other criteria :

• unstable hemodynamic state, acute respiratory insufficiency, hemodynamically unstable acute respiratory failure, poor general condition or the necessity of a continuous monitoring incompatible with the MRI constraint,
• adults legally protected (under judicial protection, guardianship, or supervision), persons deprived of their liberty,
• pregnancy