Psoriasis

• Figure 2.5 A: Guttate psoriasis B: Acropustulosis of infancy C: Pityriasis rubra pilaris (Courtesy of Dr. Paul Getz)

  Approximately 25% patients will have presentation before age 15
• Presents as erythematous well-demarcated plaques with micaceous scale
• Guttate psoriasis more common in children; presents with raindrop-like papules in an eruptive pattern; common triggers include strep infection, viral infection, stress, and trauma