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This study observed a significant association between antigliadin antibodies (IgA and IgG) and alopecia areata severity, suggesting that serological tests could help diagnose subclinical celiac disease in these patients, with IgA and IgG showing 100% sensitivity and specificity at specific cutoff points.

This study found a significant association between antigliadin antibodies (IgA and IgG) and alopecia areata severity, suggesting a need for celiac disease screening in these patients.

Dermal IgA deposition without symptoms is rare in Dermatitis herpetiformis risk groups.

Vitiligo is not linked to coeliac disease, but a small number of alopecia areata patients may have it, suggesting they should be tested for coeliac disease.

This article describes petechiae on the fingertips as a presenting symptom of dermatitis herpetiformis but reports no new clinical results.