Mongolian blue spots

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Mongolian blue spots

Neonate

Mongolian spots; Congenital dermal melanocytosis; Dermal melanocytosis

• Bluish or blue-gray spots on the back, buttocks, base of spine, or elsewhere
• Bruise-like coloration
• Pigmented area has normal skin texture
• May cover a large area of back

Other

• More likely in darker-skinned races
• Generally disappears by puberty

Examination of the skin is sufficient to determine that the spots are Mongolian blue spots. No testing is necessary.

Review Date: 07/22/2005
Reviewed By: Jonathan Kantor, M.D., Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.