Mongolian spot
Editor: unassigned
Mongolian spot
Author: Stephen Lyle, M.D., Ph.D.
Conference: Dr. Z's Consultations
Clinical Features:
- Pigmented macule, present at birth
- Usually in the lumbosacral area
- Most common in darker skinned races
- Most spontaneously regress by age 3 or 4
Histologic Features:
- Widely spaced dendritic melanocytes between collagen bundles in the lower reticular dermis
- The collagen is unaltered, in contrast to blue nevus, in which the dermis is fibrotic.
Cases associated with this book:
Author: Stephen Lyle, M.D., Ph.D.
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Conference: Dr. Z's Consultations