Childhood Subungual Melanoma in situ in Diffuse Nail Melanosis Beginning as Expanding Longitudinal Melanonychia

Authors

  • Diana D. Antonovich M.D.,

    1. Division of Dermatology, University of Louisville, Louisville, Kentucky,
    Search for more papers by this author
  • Caron Grin M.D.,

    1. Pigmented Lesion Clinic, Dermatology Department, University of Connecticut Health Center, and
    Search for more papers by this author
  • Jane M. Grant-Kels M.D.

    Corresponding author
    1. Department of Dermatology, University of Connecticut Health Center, Farmington, Connecticut
      Address correspondence to Jane M. Grant-Kels, M.D., Department of Dermatology, Director of Dermatopathology, University of Connecticut Health Center, 263 Farmington Avenue MC-6230, Dowling South, Suite 300, Farmington, CT 06030, or e-mail: grant@nsol.uchc.edu.
    Search for more papers by this author

Address correspondence to Jane M. Grant-Kels, M.D., Department of Dermatology, Director of Dermatopathology, University of Connecticut Health Center, 263 Farmington Avenue MC-6230, Dowling South, Suite 300, Farmington, CT 06030, or e-mail: grant@nsol.uchc.edu.

Abstract

Abstract:  We report a rare childhood occurrence of melanoma in situ presenting as diffuse nail pigmentation resulting from expanding longitudinal melanonychia, and discuss factors that should come into play when considering a possible nail matrix biopsy.

Ancillary