Skin-melanocytic tumor
Nevi
Mongolian spot

Author: Christopher Hale, M.D. (see Authors page)

Revised: 20 February 2017, last major update November 2014

Copyright: (c) 2003-2017, PathologyOutlines.com, Inc.

PubMed Search: Mongolian spot
Cite this page: Mongolian spot. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/skintumormelanocyticmongolianspot.html. Accessed March 25th, 2017.
Definition / General
Terminology
  • Also known as congenital dermal melanocytosis
  • Related to "dermal melanocytoses" (nevus of Ito, nevus of Ota, Hori nevus)
  • Although melanocytic, is NOT a true nevus
Epidemiology
Sites
  • Usually sacral region
Case Reports
Treatment
Clinical Images

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Missing Image

Mongolian spots

Micro Description
  • Normal at low power
  • High power shows occasional deep dendritic melanocytes, with melanin granules dissecting bundles of dermal collagen
  • No associated melanophages
Differential Diagnosis
  • Bruises from child abuse