Surgical Approach to the Cavernous Sinus for a Trigeminal Schwannoma Resection: Technical Note and Case Report

Figure 7

(a) Hematoxylin and Eosin, 20x: the classical histopathology of a schwannoma, hypercellular matrix composed of spindle cells with elongated nuclei, (b) with strong positive S100 immunostaining, and (c) rare mitotic figures outlined with Ki-67 immunostaining.

(a)

(b)

(c)