This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Medicine
30 year male with chronic diarrhoea, anemis, raised liver enzymes. Most likely associated with- 
Select and explain. 
A. Antimitochondrial antibody, B. Anti-endomysial antibody, C. Anti-smooth muscle antibody, D. Antinuclear antibody
B: Anti-endomysial antibody
Answer: B: Anti-endomysial antibody 
Explanation: IgA anti-endomysial antibodies are found in 90% coeliac patients. They are a very specific & sensitive marker for coeliac disease and dermatitis herpetiformis. The anti-endomysial antibody test has been suggested to be 98% sensitive and 98% specific for clinical or subclinical coeliac disease Ref Davidson edition23rd pg 805