TY - CHAP M1 - Book, Section TI - Pigmented Nail Disorders A1 - Mayeaux, Jr., E.J. A2 - Usatine, Richard P. A2 - Smith, Mindy A. A2 - Mayeaux, Jr., E.J. A2 - Chumley, Heidi S. PY - 2019 T2 - The Color Atlas and Synopsis of Family Medicine, 3e AB - An African-American medical student presented with a new dark band on her index finger for 1 year (Figure 199-1). The dark color and the lack of melanonychia in other fingers made this concerning. A biopsy of the nail matrix was performed, and the result showed a benign nevus. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/28 UR - dermatology.mhmedical.com/content.aspx?aid=1164362843 ER -