Gray-blue discoloration of the proximal nail beds

• Lauren S. Weinberg, BS,
• Amanda Arreola, MD,
• Julie E. Mervak, MD

Affiliations

Lauren S. Weinberg, BS

University of Michigan Medical School, Ann Arbor, Michigan

Amanda Arreola, MD

University of Michigan Department of Dermatology, Ann Arbor, Michigan

Julie E. Mervak, MD

University of Michigan Department of Dermatology, Ann Arbor, Michigan; Correspondence to: Julie E. Mervak, MD, University of Michigan Department of Dermatology 1500 E. Medical Center Dr, Ann Arbor, MI 48109.