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Fig. 3 | Infectious Agents and Cancer

Fig. 3

From: Relationship between CK19 expression, deregulation of normal keratinocyte differentiation pattern and high risk-human papilloma virus infection in oral and oropharyngeal squamous cell carcinoma

Fig. 3

CK19 staining expression and localization in perilesional mucosa in HPV/HPV+ cancers. a. CK19 expression is evident in basal and intermediate layer in dysplasia surrounding HPVOSCC. b. Strong expression of CK19 in a basaloid OPSCC. Note the overhead mucosa with CK19 up-regulation and maturation disturbance. (LSAB-HRP, nuclear counterstaining with haematoxylin; original magnification a, x200; b, x40)

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