Table 5.
Investigation | Finding |
---|---|
Clinic | Fragile blisters, crusty erosions (seborrhoeic areas) |
Histology | Subcorneal cleavage with acantholysis |
Direct immunofluorescence microscopy | Intraepidermal deposits of IgG (+/- C3) with an intercellular pattern |
Indirect immunofluorescence microscopy (esophagus) | Binding of IgG autoantibodies to epithelial cells with an intercellular pattern |
ELISA | Desmoglein 1-specific IgG autoantibodies |