Figure 3

Immunofluorescence revealing histopathologic characteristics of bullous pemphigoid. (a) IgG and C3 deposited along the basement membrane. Direct immunofluorescence revealing IgG and C3 deposited along the basement membrane (×100). (b) IgG deposited on the epidermal side. Indirect immunofluorescence of normal human skin showing IgG deposited on the epidermal side (×200).