Mongolian spot

Mongolian spots are most common among newborn or infant of Mongolian,
Japanese, Korean, Chinese, Polynesian, Micronesian, native American,
and east African.

A Mongolian spot (Dermal melanocytosis) is a birthmark and usually
disappears 6 year old ~ puberty.

The most common color is light dark blue, light blue-gray, or deep brown.
it appear usually in the lumbosacral area and/or other any parts of body.

☆ Mongolian spot is diffent from "blue spots " such as
            → Nevus Ota (http://www.cosmetic-medicine.jp/english/zukan/nevus-ota/index.htm)

       or → Nevus Ito(http://emedicine.medscape.com/article/1058580-overview)


1)  4 month old boy:

2) 7-month-old boy:

Any questions: write to keijihagiwara@gmail.com
                                           Keiji Hagiwara, MD.
                                           Kami-Ube Pediatric Clinic,
                                           Tokiwadai 1-20-1, Ube 755-0097, Japan.