Why does my baby have blue spots?
Congenital dermal melanocytosis — more commonly known as Mongolian blue spots — is a kind of birthmark commonly found in newborns. Also known by the name slate gray nevus, Mongolian blue spots often appear right at birth or in the first few weeks of life. They are harmless and do not need to be removed.
Why does my baby have a Mongolian blue spot?
What causes Mongolian blue spots? 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.
Why does my baby have blue marks on her back?
A newly born infant is also called a neonate. Mongolian blue spots are flat bluish- to bluish-gray skin markings commonly appearing at birth or shortly thereafter. They appear commonly at the base of the spine, on the buttocks and back and also can appear on the shoulders.
Why does my babies bum look bruised?
Congenital dermal melanocytosis spots are birthmarks that often appear around a baby’s lower back, buttocks or shoulders. They’re sometimes mistaken for bruises thanks to their blue-gray color, round and irregular shape, and flat texture.
Does Mongolian spot go away?
Mongolian spots (MS) are non-blanching hyperpigmented patches over the gluteal region that usually present at birth or in the first few weeks of life. These lesions are most prominent at the age of one year and start regressing thereafter, with most of them disappearing by early childhood.
What does a blue dot on your skin mean?
Moles, also called nevi, can appear on your skin in a variety of shapes, sizes, and colors. One type of mole is the blue nevus. This mole gets its name from its blue color. Although these moles may seem unusual, they’re generally benign and not a cause for concern.
Are Mongolian spots permanent?
Mongolian spot may fade or disappear during childhood, but occasionally it can be lifelong.
Do Mongolian marks go away?
What does it mean if you have a Mongolian spot?
Can a white baby have a Mongolian spot?
7-11) and are most commonly located over the buttocks and sacrum, but often occur elsewhere. Over the buttocks, Mongolian spots are seen in up to 96% of African-American, 86% of Asian, and 13% of Caucasian neonates (Box 7-1).
What does a blue spot mean?
Blue-spot definition
(snooker) The spot on a snooker table where the blue ball is normally placed. noun.
Can a blue nevus appear suddenly?
In general, but also in the case of eruptive blue nevi, the sudden eruption of multiple nevi is observed following physiological conditions such as pregnancy or pathological disorders such as sunburn or trauma.
Do Mongolian blue spots go away?
Also known as blue-gray spots and congenital dermal melanocytosis, the marks are often present at birth but may also appear during the first weeks of life. They usually disappear by the age of about 3–5 years, but they can remain into adulthood.
At what age do Mongolian spots disappear?
Mongolian spots
Mongolian spot birthmarks are blue-grey, flat marks on a baby’s lower back or buttocks. They’re usually a few centimetres in size. Mongolian spots are present at birth or appear soon after. They usually disappear by 4 years of age.
What does a blue spot on skin mean?
A bluish color to the skin or mucous membrane is usually due to a lack of oxygen in the blood. The medical term is cyanosis.
When should I be concerned about blue nevus?
A person should see their doctor if: a new blue nevus appears randomly on the skin. they notice an existing blue nevus changing in shape, size, or color. the blue nevus is larger than 1 cm in diameter.
Should a blue nevus be removed?
A blue nevus typically isn’t problematic. You can have a benign blue nevus on your skin for your entire lifetime. The only time your doctor will recommend removal is if the mole is malignant. You can also talk to your doctor about removal if the mole is causing you discomfort.
Is a Mongolian spot a birthmark?
Mongolian spots (MS) are congenital birthmarks seen most commonly over the lumbosacral area. They are bluish-green to black in color and oval to irregular in shape. They are most commonly found in individuals of African or Asian ethnic background.
Is blue nevus cancerous?
Blue nevus is a benign neoplasm composed of aberrant melanocytes located in the dermis, which can be found in 0.5%–4% of the white population.
How can you tell if blue nevus is cancerous?
Cancerous nevi may appear as a common or cellular blue nevus but develop at a later age and may start to look like ulcers. They may also have a more nodular or plaque-like form.
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This type:
- sticks out more from the skin, like a nodule.
- is firmer.
- is larger in size.
- may grow with time.