FIGURE 3 | Modern Pathology

FIGURE 3

From: “High Risk” HPV Types Are Frequently Detected in Potentially Malignant and Malignant Oral Lesions, But Not in Normal Oral Mucosa

FIGURE 3

Representative nonisotopic in situ hybridization analysis. A, punctate (type 2) signal in Caski cells (arrows). B, diffuse (type 1) in an oral hyperplasia infected by human papillomavirus 6. C, punctate (type 2) signal in an oral squamous cell carcinoma infected by human papillomavirus 16 (arrows) (original magnification, ×1000). Diaminobenzidine used as chromogen.

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