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 1188115038 T1 Acne Vulgaris 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=1188115038 RD 2024/04/23 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.