mongolian spot

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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 spot

any 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

[mong·gō′lē·ən]
Etymology: Mongol, Asian ethnic group; ME, spotte, stain
a benign bluish-black macule, between 2 and 8 cm, occurring over the sacrum and on the buttocks of some newborns. It is especially common in African-Americans, Native Americans, southern Europeans, and Asian-Americans and usually disappears during early childhood.
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Mongolian spot

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 None

mon·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) .
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MONGOLIAN SPOTS

mongolian spot

Any 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: illustration
See also: spot

Mongolian 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.