Figure 1

Haematoxylin and eosin staining. a. Grade I, SCCC X 10 Neoplasm comprising of infiltrating cords of mild to moderately pleomorphic malignant squamous cells and of keratin pearls, interspersed with a chronic inflammatory cell infiltrate). b. Grade II SCCC X 10 (Neoplasm comprising of infiltrating cords of moderately pleomorphic malignant squamous cells). c. Grade III SCCC X 20 (Neoplasm disposed in a diffuse architecture, comprising of moderately to markedly pleomorphic malignant squamous cells).