Fig. 1.
Clinical, diagnostic and therapeutic characteristics of anti-programmed cell death protein 1 (PD-1)/programmed cell death ligand 1 (PD-L1)-related bullous pemphigoid (BP) based on published cases. DIF: direct immunofluorescence; IIF: indirect immunofluorescence; SSS test: salt-split skin test; DEJ: dermo-epidermal junction; IB: immunoblotting; EBA: epidermolysis bullosa acquisita; SJS: Stevens-Johnson syndrome; TEN: toxic epidermal necrolysis; IgG: immunoglobulin G; IgE: immunoglobulin E; ELISA: enzyme-linked immunoassay.