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. 2021 Aug 24;16:168–170. doi: 10.1016/j.jdcr.2021.08.015

Fig 2.

Fig 2

Histopathology of verrucous nodules. A, Hematoxylin-eosin stain of an early verrucous nodule showing epithelial hyperplasia, focal dysplasia, and a well-circumscribed base. B, A representative PAS stain shows florid fungal organisms. C, Infiltrative stands and cords composed of (D) severely atypical squamous epithelium, with abundant mitoses confirming squamous cell carcinoma at the 12-month follow-up. (A, Hematoxylin-eosin stain; original magnification: ×20; B, PAS stain; original magnification: ×400; C, original magnification: ×25; D, original magnification: ×200.)