X-linked ichthyosis. More pronounced fish-scale pattern on the legs of a child with X-linked ichthyosis. The diffuse brown scale gives the child a "dirty" appearance.
Color Atlas & Synopsis of Pediatric Dermatology Kay Shou-Mei Kane, Jen Bissonette Ryder, Richard Allen Johnson, Howard P. Baden, Alexander Stratigos Copyright 2002 by The McGraw-Hill Companies. All rights reserved.
Article: Ichthyosis, X Linked
Slideshow: Birthmarks: Port Wine Stains to Hemangiomas
Slideshow: Tips to Keep Baby’s Skin Healthy
Slideshow: Common Childhood Skin Problems: From Rashes to Ringworm
Slideshow: What Your Skin Says About Your Health