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 1193628811 T1 Acne Vulgaris 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=1193628811 RD 2024/03/29 AB ESSENTIALS OF DIAGNOSISAlmost universal in puberty; may begin in premenarchal girls and present or persist into the fourth or fifth decade.Comedones are the hallmark. Severity varies from comedonal to papular or pustular inflammatory acne to cysts or nodules.Face, neck, and upper trunk may be affected.Scarring may be a sequela of the disease or picking by the patient.