Mongolian Blue Spot Sign of Gypsy Ancestors in Europe
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Editor-In-Chief: C. Michael Gibson, M.S., Thou.D. [1]; Associate Editor(s)-in-Chief: Jesus Rosario Hernandez, Thou.D. [2].
Synonyms and keywords: : Mongolian blueish spot.
Overview
A Mongolian Spot or Mongolian Blue Spot is a benign flat congenital birthmark with wavy borders and irregular shape, most common amidst people of Due east Asian descent, and named later on Mongolians. Information technology is too extremely prevalent among Due east Africans and Native Americans.[1] [two] Information technology normally vanishes 3 to five years after birth and almost always by puberty.
Origin
The Mongolian spot is a built developmental condition exclusively involving the skin. The bluish color is acquired by melanocytes, melanin-containing cells, that are deep under the skin.[2] Ordinarily, as multiple spots or one large patch, it covers one or more of the lumbosacral area (lower back), the buttocks, flanks, and shoulders.[two] It results from the entrapment of melanocytes in the dermis during their migration from the neural crest to the epidermis during embryonic development.[2]
The condition is not linked to sex; and male and female infants are equally predisposed to Mongolian spot. The spots are harmless.[2]
Among those who are non aware of the background of the Mongolian spots, it may sometimes be mistaken for a bruise.[3]
Prevalance
Mongolian spot is most prevalent amongst Mongols and other Asian groups, such as the Chinese, Koreans, Japanese, Vietnamese, etc. Nearly all East Asian infants are built-in with one or more Mongolian spot. The incidence of Mongolian spot among Eastward Asian infants is 95-100%.[one] It is also common if only one of the parents is East Asian.
Among East African infants it is found at rates between xc-95%, and 85-90% of Native American infants.[1]
The incidence among Caucasians, that is, the indigenous peoples of Europe, the Middle Eastward, N Africa and the Indian subcontinent (Pakistan, Republic of india, Bangladesh, Sri Lanka) is between 1-10%.[1]
Additionally, at that place is an incidence of fifty-70% among Hispanics,[ane] presumably as a issue of the Native American admixture found in mestizos (people of mixed European and Native American ancestry) who comprise the largest racial grouping among Hispanics.
Physical examination
Gallery
Torso
References
- ↑ one.0 ane.1 i.2 1.three one.four About Mongolian Spot
- ↑ two.0 two.1 2.two 2.3 2.4 Mongolian blue spots - Health care guide discussing the Mongolian blue spot.
- ↑ Mongolian Spot - English information of Mongolian spot, written past Hironao NUMABE, One thousand.D., Tokyo Medical University.
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