Mongolian blue spots appear on the skin at or shortly after birth. The spots appear when melanocytes (cells that produce pigment, or melanin) remain in the deeper skin layer during embryonic development. What causes this to happen isnt known. Mongolian blue spots arent related to an underlying health condition.
What does a Mongolian birthmark mean?
Core tip: Though earlier considered to be benign birthmarks, it has been shown now that Mongolian spots (MS) are often associated with co-existent anomalies like inherited disorders of metabolism, vascular birthmarks and occult spinal dysraphism. Babies with extensive MS should be screened for the same.
What race has Mongolian spots?
Mongolian blue spots are common among people who are of Asian, Native American, Hispanic, East Indian, and African descent. The color of the spots are from a collection of melanocytes in the deeper layers of the skin. Melanocytes are cells that make the pigment (color) in the skin.
Are Mongolian birthmarks hereditary?
Mongolian spot is a hereditary developmental condition caused by entrapment of melanocytes in the dermis during their migration from the neural crest into the epidermis.
Can a white baby have a Mongolian spot?
How common are they? According to a 2013 review , slate gray nevi affect about 10% of white babies, 50% of Hispanic babies, and 90–100% of Black and Asian babies. Some argue, however, that on microscopic inspection, all babies are born with some kind of birth mark due to pigmentation.
Does Mongolian spot mean baby will be dark?
Congenital melanocytosis, previously known as Mongolian spots, is a very common condition in any part of the body of dark-skinned babies. The spots are flat, gray-blue in color (almost looking like a bruise), and can be small or large.
Are Mongolian spots harmful?
These birthmarks are noncancerous and present no health danger. However, your childs pediatrician should examine the marks to confirm the diagnosis. Theres no recommended treatment for Mongolian blue spots. They usually fade before adolescence.
What are baby Mongolian spots?
Mongolian spots are a kind of birthmark that are flat, blue, or blue-gray. They appear at birth or in the first few weeks of life. Mongolian blue spots are flat bluish- to bluish-gray skin markings commonly appearing at birth or shortly thereafter.