Table 1 HPV subtypes, and p53 and p16 status
No. of casesHPV type (n)p53 Overexpression (%)p53 Mutation (%)p16 Overexpression (%)
VIN, usual type2716 (19), 18 (1)2 (7)2 (7)22 (81)
VIN, differentiated type5None2 (40)00
SCC
    Basaloid216 (1), 33 (1)002 (100)
    Keratinising1916 (1)9 (47)3 (16%)13 (68)
    Non keratinising6None3 (50)1 (17%)4 (66)
    Warty116 (1)001 (100)
  • HPV, human papillomavirus; SCC, squamous cell carcinoma; VIN, vulvar intraepithelial neoplasia.