Bone Mineral Density at Diagnosis of Celiac Disease and after 1 Year of Gluten-Free Diet 1. Introduction Celiac disease (CD) is a chronic immune-mediated disorder, characterized by villus atrophy of the proximal small intestinal mucosa and malabsorption of nutrients after the ingestion of wheat gluten or related proteinsin genetically susceptible individuals expressing the HLA class II molecules DQ2 or DQ8....