Chapter 052. Approach to the Patient with a Skin Disorder (Part 5) Figure 52-6 A–D. The distribution of some common dermatologic diseases and lesions Figure 52-7 Psoriasis. This papulosquamous skin disease is characterized by small and large erythematous papules and plaques with overlying adherent silvery scale. Figure 52-8 . Chapter 052. Approach to the Patient with a Skin Disorder (Part 5) Figure 52-6 A D. The distribution of some common dermatologic diseases and lesions Figure. Figure 52-7 Psoriasis. This papulosquamous skin disease is characterized by small and large erythematous papules and plaques with overlying adherent silvery scale. Figure 52-8