system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 30 year old lady presents with features of malabsorption and iron deficiency anemia. Duodenal biopsy shows complete villous atrophy. Which of the following antibody is likely to be present.
assistant
The correct answer is  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