Evaluation of a New Ultrasound System for the Non-invasive Assessment of Liver Steatosis in MASLD/MASH Patients

Who May Qualify: - Adult patient below 80 yo - Patients with MASLD/MASH recruited in interventional trials requiring MRI PDFF +/- MRE per interventional protocol, OR - Patients with MASLD/MASH recruited in prospective cohorts requiring MRI PDFF +/- MRE per interventional protocol, OR - Patients referred to MRI-PDFF or MRE. - Patients who consented in written to participate in the study - Patients with ongoing social security coverage Who Should NOT Join This Trial: - Patient in their minority (less than 18 yo) or older than 80 yo, - Patient with active implants, - Patient presenting with a wound where the Hepatoscope exam shall be performed (abdominal right upper quadrant) - Patient with a history of decompensated cirrhosis, - Patient with a history of hepatocellular carcinoma, - Adult patient under tutorship, or unable to express willing to sign a consent form, - Pregnant or breast-feeding - Person deprived from their liberty - Patient hospitalized without providing consent or in case of an emergency - Patient presenting with another know liver disease Always talk to your doctor about whether this trial is right for you.