Acne vulgaris, severe nodular cystic form with scarring

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Acne vulgaris, severe nodular cystic form with scarring Acne vulgaris, severe nodular cystic form with scarring. (Used, with permission, from Richard P. Usatine, MD in Usatine RP, Smith MA, Mayeaux EJ Jr, Chumley H, Tysinger J. The Color Atlas of Family Medicine. McGraw-Hill, 2009.) Source: Dermatologic Disorders, Current Medical Diagnosis & Treatment 2017 Citation: Papadakis MA, McPhee SJ, Rabow MW. Current Medical Diagnosis & Treatment 2017; 2016 Available at: https://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/1843/cmdt17_ch6_f021.png&sec=135699227&BookID=1843&ChapterSecID=135698605&imagename= Accessed: October 20, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved