Longitudinal leukonychia is defined as a longitudinal white band extending the length of the nail plate. Pathogenesis of longitudinal true leukonychia is a disturbance in the nail matrix, which results in focal parakeratosis and keratin filament disorganization [1]. Pathogenesis of longitudinal apparent leukonychia is vascular bed abnormalities [2].

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Longitudinal Leukonychia

  • Kaya L. Curtis,
  • Shari R. Lipner

摘要

Longitudinal leukonychia is defined as a longitudinal white band extending the length of the nail plate. Pathogenesis of longitudinal true leukonychia is a disturbance in the nail matrix, which results in focal parakeratosis and keratin filament disorganization [1]. Pathogenesis of longitudinal apparent leukonychia is vascular bed abnormalities [2].