“…Transitions from pemphigus to BP and vice versa have been reported . Unusually, BP patients have also shown autoantibodies against DSG with no clinical manifestation of pemphigus, and this event deserves attention . Fifty BP patients diagnosed at the University Hospital, Ribeirão Preto Medical School, University of São Paulo, southeastern Brazil, between 1993 and 2016, were tested for anti‐DSG1 and anti‐DSG3 antibodies using commercial ELISA kit (MBL, Nagoya, Japan).…”