Pemphigus vegetans of the oral cavity

Abstract

Oral lesions in all cases consisted of erosions and whitish, vegetating plaques. The histopathological characteristics were in all cases identical. The spinous cell layer was characterized by intense acanthosis and by the presence of vesicles between the spinous and basal cell layers. Inside the vesicles exudative elements were observed consisting mainly of eosinophils. In the upper lamina propria severe inflammatory reaction was observed. Streptavidin-biotin immunoperoxidase technique showed in all cases intercellular epithelial deposition of IgG and C3.