Pyodermatitis-pyostomatitis vegetans (PPV) constitutes an inflammatory mucocutaneous
dermatosis that is associated with inflammatory bowel disease. Clinically, PPV appears as
pustules on mucosal surfaces and as vegetating exudative plaques on intertriginous
surfaces. It is typically a clinical diagnosis supported by histological findings. Microscopic
findings include epidermal hyperplasia, focal acantholysis, and a dense mixed inflammatory
infiltrate with intraepithelial and subepithelial eosinophilic microabscesses. In the recent …