Changes

**Similar to [[Skin Immunologic - Pathology#Pemphigus|Pemphigus vulgaris]]

**Similar to [[Skin Immunologic - Pathology#Pemphigus|Pemphigus vulgaris]]

*Microscopically:

*Microscopically:

**Bullae containing fibrin, [[Neutrophils - WikiBlood|neutrophils]] or [[Eosinophils - WikiBlood|eosinophils]]

**Bullae containing fibrin, [[Neutrophils|neutrophils]] or [[Eosinophils - WikiBlood|eosinophils]]

**Basement membrane forms floor of bullae and roof is lined with basal cells

**Basement membrane forms floor of bullae and roof is lined with basal cells

*Bullae may rupture -> ulcers

*Bullae may rupture -> ulcers