Figure 1From: A case of recurrent respiratory papillomatosis with malignant transformation, HPV11 DNAemia, high L1 antibody titre and a fatal papillary endocardial lesionPost-mortem autopsy results. Laryngeal respiratory papillomas with focal squamous metaplasia (A); multiple nodules (B) of well differentiated squamous cell carcinoma (C); shed tumor cells with marked cytologic atypia, reminiscent of respiratory papilloma (D); left atrial thrombus (E) and thromboembolus riding on the aorto-iliacal bifurcation (F); area of endocardial papillomatosis in the left atrium (G, H) as the basis for recurrent thrombosis.Back to article page