Mongolian Spot

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Mongolian spot

[mäŋ′gō·lē·ən ′spät]
A focal bluish-gray discoloration of the skin of the lower back, also aberrantly on the face, present at birth and fading gradually.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Mongolian Spot


a bluish color of the skin, sometimes found in the sacral region in children. It is caused by deposits of the pigment melanin in the connective tissue of the skin. Mongolian spots were first described among children of Mongoloid ancestry, but they also occur among children of other races.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Among 78 Pathans 35(44.8%) had mongolian spots. Twenty seven (71%) out of 38 Sindhis had pigmented birth marks including Mongolian spots in 25 and cafe-au-lait spots in two of them.
Neonates, lanugo hair, Mongolian spots, sebaceous hyperplasia, cutis marmorata, vernix caseosa, acrocyanosis, neonatal acne, erythema toixcum neonatorum, neonatal alopecia.
However, the true pathogenic relation of these conditions with Mongolian spots is uncertain.
A high incidence of physiological desquamation, Mongolian spots, sebaceous hyperplasia and Epstein's pearls was seen in all the studies (Mishra 1988, Nobbay 1992, Nanda 1989).
(aka Mongolian spots) Often on the sacrum in darker skin types.
Blue discolouration of the skin can have a multitude of causes, including Mongolian spots, blue naevi, the naevi of Ito and Ota and metallic discolouration (1) or the use of drugs such as minocycline.
When to worry: "Mongolian spots are completely benign and present no medical threat whatsoever," says David Green, MD, spokesperson for the American Academy of Dermatology, in Bethesda, Maryland.
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