Fibroscan® and Its Dedicated Probes Efficiency in Obese Patients

Inclusion Criteria: * Patient of at least 18 years of age * Patient able to give written informed consent form * Patient with a BMI superior or equal to 28kg/m² * Patient scheduled to have a liver biopsy within 1 month after the enrollment or with a liver biopsy performed within 6 months before the enrollment. * Patient for which abdominal ultrasound is technically possible Exclusion Criteria: * Unable or unwilling to provide written informed consent * Confirmed diagnosis and/or history of malignancy, or other terminal disease * Patients with clinical ascites * Pregnant women * Patient with a BMI \< 28 kg/m² * Patients with any active implantable medical device (such as pacemaker or defibrillator) * Transplanted patient and patient with heart disease * Refusal to undergo a liver biopsy