Natural History Of Cervical Hpv Infection And Csil

Cervix Cancer Lsil

There are more than 100 anogenital HPV types and these are generally divided into oncogenic and nononcogenic types by virtue of the frequency of their association with invasive cervical cancer see Chapter 14 . Of the oncogenic types, HPV-16 is the most important because it is the most common type found in cervical cancer, followed by HPV types 18, 31, and 45. HPV 16 alone counts for about 50 of all cervical cancers worldwide 4 . HPV types 18, 31, and 45 are associated with an additional 20 of...