To confirm a diagnosis of celiac disease, a biopsy of the small intestine is examined to detect damage to the intestinal villi. However, given the invasive nature and cost of a biopsy, antibody tests are often used to identify those individuals with high probability of having celiac disease.
Autoimmune hepatitis is a disease in which the body's immune system attacks liver cells. This immune response causes inflammation of the liver, also called hepatitis. Researchers think a genetic factor may make some people more susceptible to autoimmune diseases.
Autoimmune hepatitis is a disease that affects two body systems, the liver, which is part of your gastrointestinal system, and your immune system.hile other forms of hepatitis are caused by bacteria or viruses, in autoimmune hepatitis, the immune system itself attacks the liver cells because it cannot distinguish between harmful invaders and healthy liver tissue.