RT Book, Section A1 Shinkai, Kanade A1 Fox, Lindy P. A2 Papadakis, Maxine A. A2 McPhee, Stephen J. A2 Rabow, Michael W. A2 McQuaid, Kenneth R. SR Print(0) ID 1193628549 T1 Psoriasis T2 Current Medical Diagnosis & Treatment 2023 YR 2023 FD 2023 PB McGraw-Hill Education PP New York, NY SN 9781264687343 LK accessmedicine.mhmedical.com/content.aspx?aid=1193628549 RD 2024/04/19 AB ESSENTIALS OF DIAGNOSISSilvery scales on bright red, well-demarcated plaques, usually on the knees, elbows, and scalp.Nails: pitting and onycholysis (separation of the nail plate from the bed).Mild itching is common.May be associated with psoriatic arthritis.Histopathology helpful.