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Psoriasis

Illustration copyright 2000, 2002 by Nucleus Communications, Inc. All rights reserved. http://www.nucleusinc.com

Psoriasis is a chronic skin condition that causes skin cells to grow too quickly, resulting in thick white or red patches of skin. The patches (or plaques) range in size from small to large and typically occur on the knees, elbows, scalp, hands, feet, or lower back.

Primary Medical Reviewer Kathleen Romito, MD
- Family Medicine
Specialist Medical Reviewer Alexander H. Murray, MD, FRCPC
- Dermatology
Last Updated December 10, 2007

WebMD Medical Reference from Healthwise

Last Updated: December 10, 2007
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