Blue nevus

Blue nevus

Micrograph of a blue nevus showing the characteristic pigmented melanocytes between bundles of collagen. H&E stain.
Classification and external resources
Specialty oncology, dermatology
ICD-10 D22 (ILDS D22.L42)
DiseasesDB 31098
MeSH D018329

Blue nevus (also known as "blue neuronevus," "dermal melanocytoma," and "nevus bleu"[1]) is a type of melanocytic nevus. The blue colour is caused by the pigment being deeper in the skin than in ordinary nevi. In principle they are harmless[2] but they can sometimes be mimicked by malignant lesions, i.e. some melanomas can look like a blue nevus.[3][4]

Classification

Blue nevi may be divided into the following types:[5]:701

See also

References

  1. 1 2 3 Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. p. 1722. ISBN 1-4160-2999-0.
  2. "Blue naevus (nevus). DermNet NZ". Retrieved 2009-02-27.
  3. Blue Nevi at the US National Library of Medicine Medical Subject Headings (MeSH)
  4. Granter SR, McKee PH, Calonje E, Mihm MC, Busam K (March 2001). "Melanoma associated with blue nevus and melanoma mimicking cellular blue nevus: a clinicopathologic study of 10 cases on the spectrum of so-called 'malignant blue nevus'". Am. J. Surg. Pathol. 25 (3): 316–23. doi:10.1097/00000478-200103000-00005. PMID 11224601.
  5. 1 2 3 4 5 6 7 James, William D.; Berger, Timothy G.; et al. (2006). Andrews' Diseases of the Skin: clinical Dermatology. Saunders Elsevier. ISBN 0-7216-2921-0.
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