Autoimmune hepatitis in pediatrics, a review by the Working Group of the Latin American Society for Pediatric Gastroenterology, Hepatology, and Nutrition.

Autoimmune hepatitis (AIH) is a chronic inflammatory condition of the liver characterized by a complex interaction among genetic factors, immune response to antigens present in hepatocytes, and immune regulation alterations. Its distribution is global and there is a female predominance. AIH is divided into 2 groups, depending on the type of serum autoantibodies detected.