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 1188114595 T1 Psoriasis T2 Current Medical Diagnosis & Treatment 2022 YR 2022 FD 2022 PB McGraw-Hill Education PP New York, NY SN 9781264269389 LK accessmedicine.mhmedical.com/content.aspx?aid=1188114595 RD 2024/04/23 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.