title: Undiagnosed Hailey-Hailey disease causing painful erosive skin changes during patch testing.
authors: S L
authors: SL
authors: Walker
authors: M H
authors: MH
authors: Beck
mesh_terms: D000328:Adult; D000368:Aged; D017449:Dermatitis, Allergic Contact / Q000175:diagnosis*; D006801:Humans; D008297:Male; D010328:Patch Tests / Q000009:adverse effects*; D016506:Pemphigus, Benign Familial / Q000209:etiology*