What is a blue-gray macule (Mongolian spot)?
Blue-gray macules are also known as Mongolian spots. There are flat bluish or bluish-grey marks on the skin, often on the lower back, that appear at birth. They are benign, and more common in darker skinned races such as Asian, African or Indian. Mongolian spots can be mistaken for bruises or child abuse; they fade away naturally in the first few years of life. What is a nevus? A nevus is a medical term for a mole—a darkened either flat or slightly raised mark on the skin. These can be small marks such as freckles or larger lesions that can be very dark or irregular. Nevi should be followed closely by your provider, and may need to be examined or biopsied by a dermatologist. What is a nevus sebaceous? A nevus sebaceous is generally a solitary hairless patch in the scalp. It often has an orange-peel tan-orange appearance. These lesions have a small risk of becoming cancerous in adulthood, and it is often recommended to have them removed before puberty. What are petichiae? Petechiae are