Mongolian blue spots

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Mongolian blue spots

Neonate

Mongolian spots; Congenital dermal melanocytosis; Dermal melanocytosis

Mongolian spots are noncancerous skin markings and are not associated with disease. The markings may cover a large area of the back.

Occasionally, Mongolian blue spots are mistaken for bruises, which can raise a question about possible child abuse. It is important to recognize that Mongolian blue spots are birthmarks, NOT bruises.

Symptoms include:

• Blue or blue-gray spots on the back, buttocks, base of spine, shoulders, and other body areas
• Flat area with irregular shape and unclear edges
• Normal skin texture
• The spots are usually 2 - 8 centimeters wide

No tests are needed. Your doctor can diagnose this condition by looking at the skin.

Review Date: 05/13/2011
Reviewed By: Kevin Berman, MD, PhD, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network.  Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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