“…All these different warts are known to be induced by human papilloma virus (HPV), the structure and immunological properties of which are well elucidated [1,2,4,5,15,21,25,27,[40][41][42], Duirng the last few years, plenty of data have been accumulated on the genital wart, condyloma acuminatum, dealing with its morphological and cytological manifesta tions [2. 3, 6, 7, 10, 12, 14, 17, 22, 23, 26, 29, 30, 39], The establishment of three dif ferent histological patterns of genital wart (flat, endophytic and papillomatous condy lomas) by Meisels and co-workers [18,19], and the observations on their frequent inti mate association with epithelial dysplasias in the uterine cervix [10,16,18,19,24,[32][33][34]39], substantiated by their recent discovery also in association with invasive squamous cell carcinoma of uterine cervix [31], have all lent support to the idea that HPV could be involved in squamous cell . vl.…”