Squamous Cell Carcinoma Originating from Adult Laryngeal Papillomatosis: Case Report and Review of the Literature

Figure 1

Photomicrographs: lesion with papillary appearance showing exophytic projections of epithelial proliferation with benign appearance (a), transition zone of malignant neoplasm in the right vocal fold (b), well-differentiated SCC (c), dotted brown nuclei showing positive CISH result for high-risk HPV (16/18) in LP (d), and in SCC (e).