Evaluate the proportion of seronegative auto-immune hepatitis and a possible relationship with the severity of the disease. Criteria of severity will be defined by corticodependance, corticoresistance and a severe form of the disease at diagnosis (cirrhosis or fulminant hepatitis). In case of predominant seronegative forms, other auto-antibodies related to this auto-immue hepatitis will be searched.
- Any patient over 18 years old
Patient followed at Hôpital Saint-Antoine or treated for HAI or in Guadeloupe within the framework of the CCRD Filfoie for an acute or chronic AIH under immunosuppressive treatment
Patient affiliate or beneficiary of a social security scheme
Free, informed and written consent signed by the patient and the investigator
Patient under 18 years old
Patient not able to give his/her consent
Viral hepatitis: viruses A to E, Epstein-Barr virus, cytomegalovirus and herpes simplex virus
Isolated primary biliary cholangitis