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Dermatology7 papers

Nonpigmented nevus

Last edited: 4/15/2026

Overview

A nonpigmented nevus, distinct from pigmented nevi, refers to a type of skin lesion characterized by its lack of melanin pigmentation. This condition can manifest in various clinical contexts, including as part of syndromes like focal naevoid hypotrichosis, where it may be associated with hairlessness in specific areas 1.

Diagnosis

  • Clinical examination to identify symmetrical, nonpigmented lesions
  • Dermoscopy may aid in distinguishing from other skin lesions 1
  • Histopathological examination often required for definitive diagnosis 1

    • Management

  • No specific first-line treatment mentioned for isolated nonpigmented nevi 1
  • Surgical excision may be considered for diagnostic purposes or if malignancy is suspected 1
  • Monitoring for changes in size, shape, or symptoms is recommended 1

    • Special Populations

  • No specific management guidelines provided for pregnancy, pediatrics, elderly, or comorbidities in the given abstracts 1

    • Key Recommendations

  • Perform clinical examination and consider dermoscopy for initial assessment of nonpigmented nevi (Evidence: Expert opinion 1)
  • Histopathological evaluation is crucial for definitive diagnosis (Evidence: Expert opinion 1)
  • Monitor nonpigmented nevi for any atypical changes; surgical excision may be indicated for diagnostic clarity or suspicious features (Evidence: Expert opinion 1)

    • References

    1 Barth JH, Dawber RP. Focal naevoid hypotrichosis. Acta dermato-venereologica 1987. link

    Original source

    1. [1]
      Focal naevoid hypotrichosis. — Barth JH, Dawber RP Acta dermato-venereologica (1987)
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