Slate gray nevus birthmark
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A slate gray nevus is a usually harmless, large, blue-gray birthmark. It can be mistaken for a bruise. This type of birthmark is more common in black children and those of Asian descent. It usually appears on the lower back and, less commonly, on the buttocks, or shoulders. A slate gray nevus tends to fade during early childhood and requires no treatment. It's also known as a dermal melanocytosis or a Mongolian spot.

Sept. 02, 2020

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