RT Book, Section A1 Liu, Jing A2 Soutor, Carol A2 Hordinsky, Maria K. SR Print(0) ID 1190936067 T1 Psoriasis and Other Papulosquamous Diseases T2 Clinical Dermatology: Diagnosis and Management of Common Disorders, 2e YR 2022 FD 2022 PB McGraw-Hill Education PP New York, NY SN 9781264257379 LK accessmedicine.mhmedical.com/content.aspx?aid=1190936067 RD 2024/04/19 AB Psoriasis, seborrheic dermatitis, pityriasis rosea, and lichen planus are diseases that present with papulosquamous lesions (scaly papules and plaques). Although these diseases may have a similar morphology, their underlying etiologies vary. Secondary syphilis, cutaneous T cell lymphomas, and connective tissue disease may also present with papulosquamous lesions and should be included in the differential diagnosis.