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DictionarySeespotMongolian Spot
Mongolian spot[mäŋ′gō·lē·ən ′spät] (medicine) 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. mongolian spot
mongolian spot [mon-gōl´e-an] a smooth, brown to grayish blue nevus consisting of an excess of melanocytes, typically found at birth in the sacral region in East Asians, Blacks, American Indians, and many southern Europeans; it usually disappears during childhood.mon·go·li·an spotany of a number of dark-bluish or mulberry-colored rounded or oval spots on the sacral region due to the ectopic presence of scattered melanocytes in the dermis. These congenital lesions are frequent in black, native American, and Asian children from 2-12 years, after which time they gradually recede; they do not disappear on pressure and are sometimes mistaken for bruises from child abuse. Synonym(s): blue spot (2) mongolian spot Mongolian spot Dermatology A large slate-gray–due to the Tyndall effect–macule with variable margins, usually over the presacral regions, posterior thighs, legs, back, shoulders, most common in blacks and Asians, less in whites, often fading with age–persisting in 4% of Japanese adolescents Clinical significance Nonemon·go·li·an spot (mon-gō'lē-ăn spot) Any of a number of dark-bluish or mulberry-colored rounded or oval spots on the skin in the sacral region due to the ectopic presence of scattered melanocytes in the dermis. These congenital lesions are frequent in black, Native American, and Asian children from 2-12 years of age after which time they gradually recede; they do not disappear on pressure and are sometimes mistaken for bruises from child abuse.
Synonym(s): blue spot (2) .  MONGOLIAN SPOTSmongolian spotAny of the blue or mulberry-colored spots usually located in the sacral region. It may be present at birth in Asian, American Indian, black, and Southern European infants and usually disappears during childhood. Synonym: blue spot See: illustrationSee also: spotMongolian spot A bluish-black pigmented birthmark (NAEVUS) occurring on the buttocks or lower part of the back, especially in coloured children. Mongolian spots are caused by a local accumulation of the normal skin pigment (melanin). They have usually disappeared by the age of about 4. |