Warts are elevated, round, hyperkeratotic skin papules with a rough greyish-white or light brown surface

Aetiology: Caused by human papilloma virus infection and affect most people during their lifetimes

Most common in children and young adults

Risk factors:

• Water immersion (swimming and regular dishwashing)
• Occupations involving handling meat or fish
• Nail biting
• Age under 35
• Immunocompromised

PC

• Round, raised papule
  • Hyperkeratosis, a greyish light brown colour
  • Tine black dots on surface of lesion (thrombosed capillaries)
  • Lesion growth over weeks to months
• Satellite lesions - Sometimes multiple smaller lesions develop following initial lesion
• Filiform warts have a stalk-like appearance with multiple spikes

Site of lesion:

• Although lesions may occur anywhere, they have a tendency to occur at sites prone to trauma, such as knees and elbows.
• Fingers or nail fold lesions
• Facial lesions (filiform warts)