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Melanocytic nevus syndrome, congenital [Supplementary Concept]

Pigmented nevi present from birth that usually include one or more giant lesions greater than 20 cm and up to over 60 cm in diameter that mar or may not be hairy; individuals with very large nevi are at higher risk for developing MELANOMA. Numerous smaller nevi may also occur over most of the body. Associated with mutations in the NRAS gene. OMIM: 137550

Date introduced: August 25, 2010

MeSH Unique ID: C536819

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Entry Terms:

  • Giant pigmented hairy nevus
  • Giant congenital pigmented nevus

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