Definition of Urticaria pigmentosa
Urticaria pigmentosa: The most common form of mastocytosis consisting of small aggregations of mast cells within characteristic salmon-brown patches of skin which itch when stroked and mat develop a localized hive. The condition occurs occurring primarily in children and clears spontaneously with adolescence.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 9/20/2012
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