Repeat Direct Immunofluorescence to Discriminate Pemphigoid From Epidermolysis Bullosa Acquisita
Abstract
Abstract To the Editor.— A recent publication by Zhu and coworkers1 examined antibody-positive serum samples from 100 sequential patients on sodium chloride-split skin and by Western immunoblot to distinguish bullous pemphigoid from epidermolysis bullosa acquisita. Five percent of unselected patients were shown to have epidermolysis bullosa acquisita.An editorial in the same issue of the Archives2 brings the problem of such studies into focus. Less than 50% of patients with...