Fig. 8
From: A rare case of penile schwannomatosis presenting with painful nocturnal penile tumescence
a, b, c Histologic section from excision biopsies. a Well-circumscribed and thinly encapsulated tumour nodule (Hematoxylin and Eosin stain, 20x magnification). b Cellular Antoni A areas with short fascicles of Schwann cells and less cellular Antoni B areas with myxoid stroma (Hematoxylin and Eosin stain, 200x magnification). c Diffuse and strong S100 expression in the tumour cells (S100 immunohistochemistry stain, 200x magnification)