2 year old boy presented with abdominal distension, chronic diarrhoea, severe anaemia and failure to thrive. Which of the following is the investigation of choice?
The given clinical feature suggest diagnosis of Celiac disease. Anti endomyseal antibody and anti tissue transglutaminase antibody help in diagnosis of celiac disease.
Intestinal biopsy
Antinuclear antibody
Antiendomyseal antibody
Anti milk protein antibody