Usefulness of screening program for celiac disease in autoimmune thyroiditis

Area of Science:

• Immunology
• Gastroenterology
• Endocrinology

Background:

• Autoimmune thyroiditis and celiac disease are both autoimmune disorders.
• The co-occurrence of these conditions suggests a potential shared predisposition.
• Understanding the prevalence of celiac disease in autoimmune thyroiditis is crucial for patient management.

Purpose of the Study:

• To determine the prevalence of celiac disease in patients with autoimmune thyroiditis.
• To compare this prevalence with control groups (patients with malignancies and healthy blood donors).
• To investigate the association between co-existing celiac disease and autoimmune thyroiditis and the risk of other autoimmune conditions.

Main Methods:

• Screening for celiac disease using IgA-class endomysium antibody via indirect immunofluorescence.
• Utilizing human umbilical cord as the antigenic substrate for antibody detection.
• Confirmation of celiac disease through intestinal biopsy in positive cases.

Main Results:

• A prevalence of 3.4% for celiac disease was found in 172 patients with autoimmune thyroiditis.
• Five of these patients confirmed celiac disease via biopsy showing total villous atrophy.
• Celiac disease prevalence in control groups was significantly lower (0.75% in malignancy patients, 0.25% in blood donors).
• Autoimmune disease prevalence was significantly higher in patients with both celiac disease and autoimmune thyroiditis.

Conclusions:

• Celiac disease is significantly more prevalent in patients with autoimmune thyroiditis.
• Screening for celiac disease in patients with autoimmune thyroiditis is recommended.
• Early detection and management of celiac disease may mitigate the risk of developing additional autoimmune disorders.