Dermatitis herpetiformis
LEGEND
Small collections of neutrophils settle in the dermal papillae, forming subepidermal microvesicles that are easily ruptured clinically.
Direct immunofluorescence is positive and shows granular deposits of IgA at the level of the dermal papillae.
Neutrophilic microabscesses located in the dermal papillae
Dermatitis herpetiformis
LEGEND
Numerous neutrophils characterized by their multilobed nuclei and eosinophilic cytoplasm
