Figure 5From: Advanced squamous cell carcinoma involving both upper and lower lips and oral commissure with simultaneous reconstruction by local flap: a case report Histopathological study of a tissue specimen taken from the lower lip. These slides show a solid nest of polygonal cells with abundant bright-eosinophilic cytoplasm, many keratin pearls, intact intercellular bridges, few mitotic figures, and modest pleomorphic nuclei. (H&E stain, ×100 and ×400).Back to article page