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.

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.

References in periodicals archive ?
In early neonatal period, predominant cutaneous lesions were miniature puberty, erythema neonatorum, cutis marmorata, milia, vernix caseosa, Mongolian spots and intertrigo.
1 Among different ethnic groups, over 90% of native American and people of African descent, about 80% of Asians, about 70% of Hispanics and fewer than 10% Caucasians have Mongolian spots.
The discovery of black coloured deposits in the dermis excludes the diagnoses of Mongolian spots or blue naevi and the naevi of Ito and Ota, all of which are disorders of dermal melanocytes.
Mongolian spots and naeveus fllammeus were more frequent in NBW neonates.
The prevalence of congenital melanocytic nevi in Asians and the Mongolian spots in non-European newborns highlights this positive association with geographical area of origin.
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