PMC5903124_01
Low-power photomicrograph depicting granular layer with associated keratinization consistent with epidermoid-infundibular cyst. HE staining.
cde-0010-0061-g01.jpg
PMC5903124_01_cde-0010-0061-g01.jpg
F1
Pathological analysis included bisection of the cyst with hematoxylin and eosin (HE) staining, revealing an epidermal inclusion cyst with an incidental finding of focal nests of atypia and a focus of well-differentiated SCC (Fig. 1, 2, 3).
Medium-power view showing atypical squamous epithelium with focal infiltration and associated stromal response. HE staining.
cde-0010-0061-g02.jpg
PMC5903124_01_cde-0010-0061-g02.jpg
F2
Pathological analysis included bisection of the cyst with hematoxylin and eosin (HE) staining, revealing an epidermal inclusion cyst with an incidental finding of focal nests of atypia and a focus of well-differentiated SCC (Fig. 1, 2, 3).
Medium-power view demonstrating keratinizing tumor cells with mitotic figure. HE staining.
cde-0010-0061-g03.jpg
PMC5903124_01_cde-0010-0061-g03.jpg
F3
Pathological analysis included bisection of the cyst with hematoxylin and eosin (HE) staining, revealing an epidermal inclusion cyst with an incidental finding of focal nests of atypia and a focus of well-differentiated SCC (Fig. 1, 2, 3).