Mongolian spot

Mongolian spot

Definition

A benign, flat, congenital birthmark, with wavy borders and an irregular shape. The color is caused by melanocytes, melanin-containing cells, that are usually located in the surface of the skin (the epidermis), but are in the deeper region (the dermis) in the location of the spot.

Also known as blue sacral spot, congenital dermal melanocytosis, Mongolian macula — per MONDO

Also identified as

Affected Organs

Organ Involvement Source
Integumental system Disease Has Associated Anatomic Site NCIT · CC BY 4.0
Skin of body Disease Has Primary Anatomic Site NCIT · CC BY 4.0