Adults with suspected celiac disease and no immunoglobulin A (IgA) deficiency most likely can avoid a diagnostic bowel biopsy if they have high serum anti-tissue transglutaminase IgA (tTG-IgA).
Villous atrophy occurs when your intestinal villi—the microscopic, finger-like tentacles that line the wall of your small intestine—erode away, leaving a virtually flat surface. Celiac disease, an ...