Papulosquamous Disorders (Skin Disorders with Scales)

This chapter provides an overview of the common papulosquamous disorders such as psoriasis, lichen planusLichen planus and pityriasis roseaPityriasis rosea. It also includes other conditions such as cutaneous lupus that can present with scaly lesions and can come in the differential diagnosis of paplosquamous disorders. The chapter discusses mainly from their clinical perspective. It provides details about the clinical presentation of these conditions and ways to diagnose them; when feasible it provides clinical information regarding how to diagnose them clinically. It also discusses their treatment options and where appropriate the circumstances as to when the patients need to be referred to the dermatologist.