Skin melanocytic tumor
Nevi
Mongolian spot


Topic Completed: 1 November 2014

Revised: 4 April 2019

Copyright: 2003-2019, PathologyOutlines.com, Inc.

PubMed Search: Mongolian spot

Christopher S. Hale, M.D.
Page views in 2018: 783
Page views in 2019 to date: 526
Cite this page: Hale C Mongolian spot. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/skintumormelanocyticmongolianspot.html. Accessed August 20th, 2019.
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

Images hosted on other servers:
Missing Image

Mongolian spots

Microscopic (histologic) 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
Back to top