Flat warts

Definition

Flat warts are small, smooth, slightly raised bumps that generally occur in clusters and are caused by certain strains of the human papillomavirus (HPV). They are most commonly found on the face, neck, hands, wrists, and knees.

5 Must Know Facts For Your Next Test

1. Flat warts are caused by HPV types 3, 10, 28, and 49.
2. They are more common in children and young adults due to their active immune systems.
3. Flat warts can be spread through direct contact with an infected person or by touching contaminated surfaces.
4. They often appear as multiple lesions that are flesh-colored or brownish and measure between 1-5 mm in diameter.
5. Treatment options include topical medications like salicylic acid, cryotherapy, and laser therapy.

Review Questions

• Which strains of HPV are most commonly associated with flat warts?
• Where on the body are flat warts typically found?
• What are some treatment methods for flat warts?

Related terms

Papillomavirus: A virus that causes growths such as warts or verrucas on the skin.

Cryotherapy: A treatment method involving freezing of abnormal tissues using liquid nitrogen.

Salicylic Acid: A topical medication commonly used to treat various skin conditions including warts.