title: Tips to diagnose uncommon nail disorders.
abstract: This article reviews 6 nail disorders that, although easy to diagnose, are misdiagnosed frequently by dermatologists and general practitioners. Diagnostic clues are emphasized to familiarize readers with features that indicate the correct diagnosis. We focus on two common tumors (onychomatricoma and onychopapilloma), two rare genetic conditions that can be diagnosed owing to nail changes (Darier disease and nail patella syndrome), and two uncommon acquired disorders (the yellow nail syndrome and lichen striatus).
authors.affiliation: Department of Dermatology and Cutaneous Surgery, Miller School of Medicine, University of Miami, Miami, 1600 Northwest 10th Avenue, FL 33136, USA; Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY 10461, USA.
authors.forename: Samantha L
authors.initials: SL
authors.lastname: Schneider
authors.affiliation: Department of Dermatology and Cutaneous Surgery, Miller School of Medicine, University of Miami, Miami, 1600 Northwest 10th Avenue, FL 33136, USA. Electronic address: atosti@med.miami.edu.
authors.forename: Antonella
authors.initials: A
authors.lastname: Tosti
mesh_terms: D007644:Darier Disease / Q000175:diagnosis* / Q000235:genetics; D006801:Humans; D009260:Nail Diseases / Q000175:diagnosis* / Q000473:pathology; D009261:Nail-Patella Syndrome / Q000175:diagnosis / Q000235:genetics; D010212:Papilloma / Q000175:diagnosis* / Q000473:pathology; D012878:Skin Neoplasms / Q000175:diagnosis* / Q000473:pathology; D056684:Yellow Nail Syndrome / Q000175:diagnosis
keywords: Arrested nail growth; Darier disease; Lichen striatus; Melanonychia; Nail patella syndrome; Onychopapilloma; Triangular lunula; Yellow nail syndrome