RT Book, Section A1 Smith, Mindy A. A1 James, Sarah J. A2 Usatine, Richard P. A2 Smith, Mindy A. A2 Mayeaux, Jr., E.J. A2 Chumley, Heidi S. SR Print(0) ID 1164349812 T1 Acanthosis Nigricans T2 The Color Atlas and Synopsis of Family Medicine, 3e YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9781259862045 LK dermatology.mhmedical.com/content.aspx?aid=1164349812 RD 2023/04/02 AB A 13-year-old Hispanic girl presents to her family physician with concerns about "dirty areas" under her arms and on her neck that "can't be cleaned" (Figure 229-1). Her periods have stopped and she is getting new hair growth on her face. She is overweight and has a family history of diabetes. The physician makes the diagnosis of acanthosis nigricans.