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. 2021 Jul 6;57(7):686. doi: 10.3390/medicina57070686

Figure 1.

Figure 1

Histopathology and direct immunofluorescence of laryngeal pemphigus vulgaris specimens. Upper left—suprabasilar acantholytic blister with intraepithelial suprabasilar clefting; HE stain, 100× magnification. Upper right—suprabasilar acantholysis and plasma cell infiltrate among villous-like projections of lamina propria, covered by a few layers of epithelium; HE stain, 200× magnification. Lower left—intercellular linear deposition of IgG in direct immunofluorescence, DIF IgG, 200× magnification. Lower right—intercellular granular deposition of C3 in direct immunofluorescence, DIF C3, 200× magnification.