Health Encyclopedia
Mongolian blue spots
Definition
Mongolian spots are flat, blue or blue-gray skin markings that commonly appear at birth or shortly thereafter.
See also: Rashes
Alternative Names
Mongolian spots; Congenital dermal melanocytosis; Dermal melanocytosisCauses
Mongolian blue spots are common among darker skinned persons, such as those who are of Asian, East Indian, and African descent.
Symptoms
Mongolian spots are non-cancerous skin markings and are not associated with disease. The markings may cover a large area of 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, shouders, and other body areas
- Flat area with irregular shape and unclear edges
- Normal skin texture
Exams and Tests
No tests is needed. Your doctor can diagnose this condition by looking at the skin.
Treatment
No treatment is necessary or recommended.
Outlook (Prognosis)
The bluish discoloration often fades in a few years and is almost always gone by adolescence.
Possible Complications
There are no complications.
When to Contact a Medical Professional
All birthmarks should be examined by the health care provider during a routine newborn examination.
Reviewed By: Michael S. Lehrer, M.D., Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.
