Case 142. HPV-6 infection (condyloma acuminatum) (22 y-o F)

　 　 　 　
　 Cervical smear and biopsy from a sexually active woman with polypoid lesions in the uterine cervix 　
　 　 　 　

　

 　 HPV, type 6/11 genome-positive nucleus was observed at the ultrastructural level. The nucleus of a koilocytic keratinocyte is filled with positive fine particles (pre-embedding method for in situ hybridization using a paraffin section).