Dermatitis Herpetiformis

Also written as DH.

Dermatitis herpetiformis (DH) is an autoimmune blistering disorder

What our notes say

Dermatitis herpetiformis (DH) is an autoimmune blistering disorder (Davidson's Essentials of Medicine - 2nd)
The picture suggests coeliac disease with dermatitis herpetiformis. (Endocrinology and Gastroenterology Question Bank: 12 Clinical MCQs)
Pruritic papulovesicles on extensors + granular IgA at dermal papillary tips = dermatitis herpetiformis, strongly associated with celiac disease (gluten sensitivity) (Skin & Breast Pathology CAT: MKU Year 3 Medicine Exam — CAT)
| Blistering | Pemphigus group, Bullous Pemphigoid, Dermatitis Herpetiformis, EB, Porphyria | Anti-desmoglein (suprabasal) vs anti-BPAG2 (subepidermal, tense) vs celiac-linked granular IgA | (Exam Prep: Skin Infections, Psoriasis & Pemphigus — Notes)
Coeliac disease: HLA-DQ2/DQ8; anti-tissue transglutaminase most sensitive; dermatitis herpetiformis 10%; enteropathy-associated T cell lymphoma (GASTROINTESTINAL PATHOLOGY (Part 2) — Notes)
Dermatitis herpetiformis: pruritic vesicular skin lesions, affects 10% of patients (GASTROINTESTINAL PATHOLOGY (Part 2) — Notes)