Mongolian spot

English thumb|Mongolian spot Alternative forms en Mongoloid spot mongoloid spot Noun A benign, flat, congenital, usually blue to blue-black birthmark on the lower back with wavy borders and irregular shape, prevalent among East Asians, South-East Asians, Central Asians, Siberians, Polynesians, Native Americans and East Africans. It normally disappears three to five years after birth and almost always by puberty. en 1995 Theresa Overfield Biological Variation in Health and Illness: Race, Age, and Sex Differences 13 http://books.google.com.au/books?id=CT1GgunY_-IC&pg=PA13&dq=%22Mongolian+spot%22%7C%22Mongolian+spots%22&hl=en&sa=X&ei=k91pU7_4Oce_kQXp6YDIDA&redir_esc=y#v=onepage&q=%22Mongolian%20spot%22%7C%22Mongolian%20spots%22&f=false Mongolian spots are produced by melanocyte leftovers that do not migrate into the epidermis; they remain deeper than usual in the lumbar-sacral region, resulting in blue coloration of the skin. Mongolian spots occur mainly on the buttocks and lower back, and occasionally on the abdomen, thighs, and arms. They occur in 90 percent of Blacks, 80 percent of Orientals and Native Americans, and 9 percent of Whites. 2004, Adapted from Walter W. Tunnessen, Daniel P. Krowchuk, Chapter 46: Pediatric Dermatology, Michael Crocetti, Michael A. Barone, Frank A. Oski (editors), Oski's Essential Pediatrics, page 135, Mongolian spot is an unfortunate name for this common, benign skin discoloration. Present at birth, mongolian spots are blue-gray or blue-green and represent areas of dermal melanocytosis. en 2008 Margaret M. Andrews Chapter 3: Cultural Competence in the Health History and Physical Examination Margaret M. Andrews; Joyceen S. Boyle Transcultural Concepts in Nursing Care http://books.google.com.au/books?id=rdEnV1HWrvgC&pg=PA51&dq=%22Mongolian+spot%22%7C%22Mongolian+spots%22&hl=en&sa=X&ei=k91pU7_4Oce_kQXp6YDIDA&redir_esc=y#v=onepage&q=%22Mongolian%20spot%22%7C%22Mongolian%20spots%22&f=false 51 Mongolian spots consist of embryonic pigment that has been left behind in the epidermal layer during fetal development.Mongolian spots are a normal variation in children of African, Asian, or Latin descent. Synonyms blue or blue black birthmark on the lower back en congenital dermal melanocytosis, en dermal melanocytosis, en Mongoloid spot Translations congenital birthmark in lower back Catalan: ca taca mongòlica f, ca taca blava de Mongòlia f, ca melanocitosi dèrmica congènita a la regió lumbar f dermatology Chinese: Mandarin: cmn 胎斑 tāibān, cmn 蒙古斑 ménggǔbān Dutch: nl archipelvlek m f Finnish: fi mongoliläiskä French: fr tache mongoloïde f, fr tache mongolique f, fr tache bleue mongolique f, fr tache pigmentaire congénitale f TPC German: de Mongolenfleck m, de Asiatenfleck m, de Sakralfleck m, de Steißfleck m, de Hunnenfleck m, de kongenitale dermale Melanozytose f Hungarian: hu mongol folt Italian: it macchia mongolica f Japanese: ja Kazakh: kk көк таңба, kk періштенің шапалағы Korean: ko 몽골반 Kyrgyz: ky Умай эненин колунун изи Mongolian: mn хөх толбо Norwegian: Bokmål: nb mongolsk flekk m, nb mongolflekk m, nb asiaflekk m Russian: ru монго́льское пятно́ n Spanish: es mancha mongólica f, es melanocitosis dérmica congénita f, es callana f, es mancha de los morenos f Swedish: sv mongolfläck c Thai: th en Skin