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Dermatitis herpetiformis and established coeliac disease
D J Gawkrodger1, J P Vestey, S O'Mahony
1University Department of Medicine, Royal Hallamshire Hospital, Sheffield, U.K.
The British Journal of Dermatology
|December 1, 1993
Summary
Dermatitis herpetiformis (DH) can precede coeliac disease diagnosis in some patients. Persistent gluten intake in genetically predisposed individuals may trigger DH development.
Area of Science:
- Dermatology
- Gastroenterology
- Immunology
Background:
- Dermatitis herpetiformis (DH) is a chronic blistering skin condition.
- Coeliac disease is an autoimmune disorder triggered by gluten ingestion.
- The relationship between DH and coeliac disease is well-established, but the temporal sequence of diagnosis can vary.
Purpose of the Study:
- To investigate the characteristics of patients diagnosed with coeliac disease before the onset of DH.
- To explore the potential role of persistent gluten ingestion in the development of DH.
Main Methods:
- Retrospective analysis of 282 patients with dermatitis herpetiformis.
- Identification of patients with a prior coeliac disease diagnosis.
- Analysis of demographic data, age of onset, and dietary compliance.
Main Results:
- 15.3% (15 of 282) of DH patients had a prior coeliac disease diagnosis.
- This subgroup exhibited a female predominance and a later mean age of DH onset (40.0 years).
- A significant proportion (7/15) had discontinued their gluten-free diet, and 4 were poor compliers.
Conclusions:
- Coeliac disease can precede the clinical manifestation of DH.
- Persistent gluten ingestion in genetically susceptible individuals may be a key factor in DH development.
- Dietary adherence is crucial for managing coeliac disease and potentially preventing DH.