II. Definitions
- Mongolian Spot (Dermal Melanosis, Dermal Melanocytosis)
- Benign pigmented Birthmarks typically in black, native american, asian and hispanic children
III. Epidemiology: Ethnic breakdown
- Black infants: 96%
- Native americans infants: 90%
- Asian infants: 81-90%
- Hispanic infants: 46-70%
- White infants: 10%
IV. Pathophysiology
- Melanocytes that are trapped deep with the skin
V. Signs
- Bluish-gray, bluish-black or brown Macules or patches
- Distribution
- Lumbosacral and buttock regions
VI. Course
- Most lesions fade by age 2 years
- Often disappear completely between age 7 to 13 years
- Some areas may persist
VII. Management
- No interventions needed
- Document presence of Mongolian Spots to avoid misdiagnosis of Bruising from Nonaccidental Trauma