Psoriasis vulgaris, Koebner phenomenon occurs when psoriasis spreads into an area of trauma, seen here with well-delineated erythematous plaque with a silvery-white scale characteristic of psoriasis.
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.
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