Viral warts can be classified as follows:
Without degenerative tendency
- Verruca vulgaris (vulgar wart; HPV 1, 2, 3, 4).
- Verruca plantaris (synonyms: Plantar wart, deep plantar wart/foot wart, Myrmecia; HPV 1, 4).
- Verruca plana (flat wart; HPV 3, 10, 28, 41).
- Mosaic warts (HPV 2)
- Filiform warts (thin, filiform warts; HPV 7; common in butchers).
- Focal epithelial hyperplasia (HPV 13, 32).
- Conjunctival papillomas (HPV 6, 11) – papillomas on the conjunctivae.
With a tendency to degeneration
- Epidermodysplasia verruciformis (EV; synonym: Lewandowsky-Lutz dysplasia; Lutz-Lewandowsky epidermodysplasia verruciformis; flat warts (HPV 5, 8, 9, 12, 14, 15, 17, 19, 20, 21, 47) – extremely rare autosomal recessive genodermatosis (inherited skin disease).
- Condyloma acuminatum (synonyms: lace condyloma/peak condyloma, pointed condyloma, genital wart/fever wart, wet nipple, and genital wart; HPV 6, 11, 40, 42, 43, 44).
- Condyloma planum (flat condyloma; HPV 6, 11, 16, 18, 31, etc.)
- Giant condyloma (HPV 6, 11)
- Laryngx papilloma (6, 11) – papillomas in the region of the larynx.
- Bowenoid papulosis (HPV 16, 18).
- Cervical intraepithelial neoplasia (HPV 16, 18, 31, 45).
