[Virus papillomas and malignant genital tumors]

Morphological and epidemiological studies point to a close correlation between viral genital warts and genital cancer. Benign condylomata acuminata are commonly induced by HPV-6 and HPV-11. In precancerous bowenoid genital lesions, HPV-16 and HPV-18 could be cloned directly from cervical cancer tissue. Whereas the occurrence of HPV-6 and HPV-11 seems to be a low risk infection, HPV-16 and HPV-18 may represent a high risk for malignant conversion.