Table 3.
Prevalence and genotype distribution of HPV infections in vulvar high-grade precancerous lesions and VSCC patient samples.
| HPV type |
Total vulvar high-grade precancerous lesions |
dVIN |
Vulvar HSIL |
Total VSCC |
Keratinizing |
Non-keratinizing |
Total |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | (%) | n | (%) | n | (%) | n | (%) | n | (%) | n | (%) | n | (%) | |
| Total | 54 | 2 | 52 | 95 | 78 | 17 | 149 | |||||||
| HPV positive | 45 | (83.3) | 1 | (50) | 44 | (84.6) | 40 | (42.1) | 26 | (33.3) | 14 | (82.4) | 85 | (57.0) |
| HPV-16 | 33 | (73.3) | 0 | (0.0) | 33 | (75) | 25 | (62.5) | 16 | (61.5) | 9 | (64.3) | 58 | (68.2) |
| HPV-18 | 2 | (4.4) | 0 | (0.0) | 2 | (4.5) | 5 | (12.5) | 5 | (19.2) | 0 | (0.0) | 7 | (8.2) |
| HPV-31 | 1 | (2.2) | 0 | (0.0) | 1 | (2.3) | 0 | (0.0) | 0 | (0.0) | 0 | (0.0) | 1 | (1.2) |
| HPV-33 | 8 | (17.8) | 1 | (1 0 0) | 7 | (15.9) | 8 | (20) | 4 | (15.4) | 4 | (28.6) | 16 | (18.8) |
| HPV-67 | 0 | (0.0) | 0 | (0.0) | 0 | (0.0) | 1 | (2.5) | 0 | (0.0) | 1 | (7.1) | 1 | (1.2) |
| HPV-81 (low risk) | 0 | (0.0) | 0 | (0.0) | 0 | (0.0) | 1 | (2.5) | 1 | (3.8) | 0 | (0.0) | 1 | (1.2) |
| Undetermined | 1 | (2.2) | 0 | (0.0) | 1 | (2.3) | 0 | (0.0) | 0 | (0.0) | 0 | (0.0) | 1 | (1.2) |